249673289496 has 32 divisors (see below), whose sum is σ = 660899885040. Its totient is φ = 78328875008.

The previous prime is 249673289483. The next prime is 249673289549. The reversal of 249673289496 is 694982376942.

It is a self number, because there is not a number n which added to its sum of digits gives 249673289496.

It is a congruent number.

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, 305971761 + ... + 305972576.

Almost surely, 2^249673289496 is an apocalyptic number.

It is an amenable number.

249673289496 is an abundant number, since it is smaller than the sum of its proper divisors (411226595544).

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

249673289496 is a wasteful number, since it uses less digits than its factorization.

249673289496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611944363 (or 611944359 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 69.

The spelling of 249673289496 in words is "two hundred forty-nine billion, six hundred seventy-three million, two hundred eighty-nine thousand, four hundred ninety-six".