249397229696 has 64 divisors (see below), whose sum is σ = 528872652000. Its totient is φ = 116808062976.

The previous prime is 249397229689. The next prime is 249397229713. The reversal of 249397229696 is 696922793942.

It is a tau number, because it is divible by the number of its divisors (64).

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, 359666 + ... + 792561.

Almost surely, 2^249397229696 is an apocalyptic number.

It is an amenable number.

249397229696 is an abundant number, since it is smaller than the sum of its proper divisors (279475422304).

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

249397229696 is a wasteful number, since it uses less digits than its factorization.

249397229696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152349 (or 1152337 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 68.

The spelling of 249397229696 in words is "two hundred forty-nine billion, three hundred ninety-seven million, two hundred twenty-nine thousand, six hundred ninety-six".