Search a number
-
+
395020349459 is a prime number
BaseRepresentation
bin1011011111110010000…
…11000011000000010011
31101202121122110220122022
411233321003003000103
522433000202140314
6501245253002055
740352654366261
oct5577103030023
91352548426568
10395020349459
1114258876422a
126468362332b
132b333a85c68
1415194abb431
15a41e66178e
hex5bf90c3013

395020349459 has 2 divisors, whose sum is σ = 395020349460. Its totient is φ = 395020349458.

The previous prime is 395020349453. The next prime is 395020349587. The reversal of 395020349459 is 954943020593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395020349459 - 228 = 394751914003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395020349459.

It is not a weakly prime, because it can be changed into another prime (395020349453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197510174729 + 197510174730.

It is an arithmetic number, because the mean of its divisors is an integer number (197510174730).

Almost surely, 2395020349459 is an apocalyptic number.

395020349459 is a deficient number, since it is larger than the sum of its proper divisors (1).

395020349459 is an equidigital number, since it uses as much as digits as its factorization.

395020349459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 395020349459 in words is "three hundred ninety-five billion, twenty million, three hundred forty-nine thousand, four hundred fifty-nine".