25914704972 has 12 divisors (see below), whose sum is σ = 48839251776. Its totient is φ = 11960633040.

The previous prime is 25914704957. The next prime is 25914704989. The reversal of 25914704972 is 27940741952.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25914704972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249179804 + ... + 249179907.

It is an arithmetic number, because the mean of its divisors is an integer number (4069937648).

Almost surely, 2^25914704972 is an apocalyptic number.

It is an amenable number.

25914704972 is a deficient number, since it is larger than the sum of its proper divisors (22924546804).

25914704972 is a wasteful number, since it uses less digits than its factorization.

25914704972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498359728 (or 498359726 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 25914704972 in words is "twenty-five billion, nine hundred fourteen million, seven hundred four thousand, nine hundred seventy-two".