249694053936 has 40 divisors (see below), whose sum is σ = 645106750704. Its totient is φ = 83223121920.

The previous prime is 249694053919. The next prime is 249694053941. The reversal of 249694053936 is 639350496942.

It is a self number, because there is not a number n which added to its sum of digits gives 249694053936.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243400 + ... + 747416.

Almost surely, 2^249694053936 is an apocalyptic number.

It is an amenable number.

249694053936 is an abundant number, since it is smaller than the sum of its proper divisors (395412696768).

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

249694053936 is a wasteful number, since it uses less digits than its factorization.

249694053936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514349 (or 514343 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 60.

The spelling of 249694053936 in words is "two hundred forty-nine billion, six hundred ninety-four million, fifty-three thousand, nine hundred thirty-six".