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3345610381 is a prime number
BaseRepresentation
bin1100011101101001…
…1111011010001101
322122011100121122121
43013122133122031
523322434013011
61311552012541
7145623135061
oct30732373215
98564317577
103345610381
111467567663
12794531151
13414191719
1423a48daa1
15148ab1e71
hexc769f68d

3345610381 has 2 divisors, whose sum is σ = 3345610382. Its totient is φ = 3345610380.

The previous prime is 3345610379. The next prime is 3345610451. The reversal of 3345610381 is 1830165433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2103047881 + 1242562500 = 45859^2 + 35250^2 .

It is an emirp because it is prime and its reverse (1830165433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3345610381 - 21 = 3345610379 is a prime.

It is a super-2 number, since 2×33456103812 = 22386217642909930322, which contains 22 as substring.

Together with 3345610379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345617381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672805190 + 1672805191.

It is an arithmetic number, because the mean of its divisors is an integer number (1672805191).

Almost surely, 23345610381 is an apocalyptic number.

It is an amenable number.

3345610381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345610381 is an equidigital number, since it uses as much as digits as its factorization.

3345610381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3345610381 is about 57841.2515511205. The cubic root of 3345610381 is about 1495.6332825585.

The spelling of 3345610381 in words is "three billion, three hundred forty-five million, six hundred ten thousand, three hundred eighty-one".