25834981964 has 12 divisors (see below), whose sum is σ = 49321329288. Its totient is φ = 11743173600.

The previous prime is 25834981927. The next prime is 25834981979. The reversal of 25834981964 is 46918943852.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293579297 + ... + 293579384.

It is an arithmetic number, because the mean of its divisors is an integer number (4110110774).

Almost surely, 2^25834981964 is an apocalyptic number.

It is an amenable number.

25834981964 is a deficient number, since it is larger than the sum of its proper divisors (23486347324).

25834981964 is a wasteful number, since it uses less digits than its factorization.

25834981964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587158696 (or 587158694 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 25834981964 in words is "twenty-five billion, eight hundred thirty-four million, nine hundred eighty-one thousand, nine hundred sixty-four".