25974290069 has 16 divisors (see below), whose sum is σ = 31978732800. Its totient is φ = 20544416640.

The previous prime is 25974290059. The next prime is 25974290101. The reversal of 25974290069 is 96009247952.

It is a cyclic number.

It is not a de Polignac number, because 25974290069 - 2²⁸ = 25705854613 is a prime.

It is a super-2 number, since 2×25974290069² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25974290069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25974290009) 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, 245657 + ... + 335105.

It is an arithmetic number, because the mean of its divisors is an integer number (1998670800).

Almost surely, 2^25974290069 is an apocalyptic number.

It is an amenable number.

25974290069 is a deficient number, since it is larger than the sum of its proper divisors (6004442731).

25974290069 is a wasteful number, since it uses less digits than its factorization.

25974290069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92660.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 25974290069 in words is "twenty-five billion, nine hundred seventy-four million, two hundred ninety thousand, sixty-nine".