25903614916 has 9 divisors (see below), whose sum is σ = 45331889421. Its totient is φ = 12951646512.

The previous prime is 25903614899. The next prime is 25903614959. The reversal of 25903614916 is 61941630952.

The square root of 25903614916 is 160946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15964322500 + 9939292416 = 126350^2 + 99696^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 281656 + ... + 362128.

Almost surely, 2^25903614916 is an apocalyptic number.

25903614916 is the 160946-th square number.

It is an amenable number.

25903614916 is a deficient number, since it is larger than the sum of its proper divisors (19428274505).

25903614916 is an frugal number, since it uses more digits than its factorization.

25903614916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160950 (or 80475 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 25903614916 in words is "twenty-five billion, nine hundred three million, six hundred fourteen thousand, nine hundred sixteen".