249689826052 has 24 divisors (see below), whose sum is σ = 438054209600. Its totient is φ = 124531870176.

The previous prime is 249689826019. The next prime is 249689826073. The reversal of 249689826052 is 250628986942.

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, 2558383 + ... + 2654185.

Almost surely, 2^249689826052 is an apocalyptic number.

It is an amenable number.

249689826052 is a deficient number, since it is larger than the sum of its proper divisors (188364383548).

249689826052 is a wasteful number, since it uses less digits than its factorization.

249689826052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97435 (or 97433 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 249689826052 in words is "two hundred forty-nine billion, six hundred eighty-nine million, eight hundred twenty-six thousand, fifty-two".