25693004216 has 32 divisors (see below), whose sum is σ = 52771981680. Its totient is φ = 11630169600.

The previous prime is 25693004191. The next prime is 25693004231. The reversal of 25693004216 is 61240039652.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25693004216.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 584531 + ... + 626946.

Almost surely, 2^25693004216 is an apocalyptic number.

It is an amenable number.

25693004216 is an abundant number, since it is smaller than the sum of its proper divisors (27078977464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25693004216 is a wasteful number, since it uses less digits than its factorization.

25693004216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211735 (or 1211731 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 25693004216 in words is "twenty-five billion, six hundred ninety-three million, four thousand, two hundred sixteen".