33243356413 has 2 divisors, whose sum is σ = 33243356414. Its totient is φ = 33243356412.

The previous prime is 33243356387. The next prime is 33243356423. The reversal of 33243356413 is 31465334233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21370638969 + 11872717444 = 146187^2 + 108962^2 .

It is a cyclic number.

It is not a de Polignac number, because 33243356413 - 2²⁵ = 33209801981 is a prime.

It is a super-2 number, since 2×33243356413² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33243356423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621678206 + 16621678207.

It is an arithmetic number, because the mean of its divisors is an integer number (16621678207).

Almost surely, 2^33243356413 is an apocalyptic number.

It is an amenable number.

33243356413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243356413 is an equidigital number, since it uses as much as digits as its factorization.

33243356413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 37.

The spelling of 33243356413 in words is "thirty-three billion, two hundred forty-three million, three hundred fifty-six thousand, four hundred thirteen".