2501993108 has 6 divisors (see below), whose sum is σ = 4378487946. Its totient is φ = 1250996552.

The previous prime is 2501993099. The next prime is 2501993111. The reversal of 2501993108 is 8013991052.

It can be written as a sum of positive squares in only one way, i.e., 2451042064 + 50951044 = 49508^2 + 7138^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312749135 + ... + 312749142.

It is an arithmetic number, because the mean of its divisors is an integer number (729747991).

Almost surely, 2^2501993108 is an apocalyptic number.

It is an amenable number.

2501993108 is a deficient number, since it is larger than the sum of its proper divisors (1876494838).

2501993108 is a wasteful number, since it uses less digits than its factorization.

2501993108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625498281 (or 625498279 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 2501993108 is about 50019.9271091032. The cubic root of 2501993108 is about 1357.5693876557.

The spelling of 2501993108 in words is "two billion, five hundred one million, nine hundred ninety-three thousand, one hundred eight".