33690368257 has 16 divisors (see below), whose sum is σ = 41470571520. Its totient is φ = 26652578112.

The previous prime is 33690368227. The next prime is 33690368279. The reversal of 33690368257 is 75286309633.

It is a cyclic number.

It is not a de Polignac number, because 33690368257 - 2¹⁵ = 33690335489 is a prime.

It is a super-2 number, since 2×33690368257² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33690368227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825744 + ... + 865582.

It is an arithmetic number, because the mean of its divisors is an integer number (2591910720).

Almost surely, 2^33690368257 is an apocalyptic number.

It is an amenable number.

33690368257 is a deficient number, since it is larger than the sum of its proper divisors (7780203263).

33690368257 is a wasteful number, since it uses less digits than its factorization.

33690368257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49152.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 33690368257 in words is "thirty-three billion, six hundred ninety million, three hundred sixty-eight thousand, two hundred fifty-seven".