249291860264 has 16 divisors (see below), whose sum is σ = 468724255200. Its totient is φ = 124298725552.

The previous prime is 249291860243. The next prime is 249291860267. The reversal of 249291860264 is 462068192942.

249291860264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249291860267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43397522 + ... + 43403265.

It is an arithmetic number, because the mean of its divisors is an integer number (29295265950).

Almost surely, 2^249291860264 is an apocalyptic number.

It is an amenable number.

249291860264 is a deficient number, since it is larger than the sum of its proper divisors (219432394936).

249291860264 is a wasteful number, since it uses less digits than its factorization.

249291860264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86801152 (or 86801148 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 249291860264 in words is "two hundred forty-nine billion, two hundred ninety-one million, eight hundred sixty thousand, two hundred sixty-four".