249065929572 has 12 divisors (see below), whose sum is σ = 581153835696. Its totient is φ = 83021976520.

The previous prime is 249065929543. The next prime is 249065929589. The reversal of 249065929572 is 275929560942.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10377747054 + ... + 10377747077.

It is an arithmetic number, because the mean of its divisors is an integer number (48429486308).

Almost surely, 2^249065929572 is an apocalyptic number.

It is an amenable number.

249065929572 is an abundant number, since it is smaller than the sum of its proper divisors (332087906124).

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

249065929572 is a wasteful number, since it uses less digits than its factorization.

249065929572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20755494138 (or 20755494136 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 249065929572 in words is "two hundred forty-nine billion, sixty-five million, nine hundred twenty-nine thousand, five hundred seventy-two".