249072951092 has 24 divisors (see below), whose sum is σ = 498189572160. Its totient is φ = 106736192640.

The previous prime is 249072951041. The next prime is 249072951187. The reversal of 249072951092 is 290159270942.

It is a self number, because there is not a number n which added to its sum of digits gives 249072951092.

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, 59909 + ... + 708332.

It is an arithmetic number, because the mean of its divisors is an integer number (20757898840).

Almost surely, 2^249072951092 is an apocalyptic number.

It is an amenable number.

249072951092 is an abundant number, since it is smaller than the sum of its proper divisors (249116621068).

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

249072951092 is a wasteful number, since it uses less digits than its factorization.

249072951092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779831 (or 779829 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 249072951092 in words is "two hundred forty-nine billion, seventy-two million, nine hundred fifty-one thousand, ninety-two".