249571230664 has 16 divisors (see below), whose sum is σ = 534795494400. Its totient is φ = 106959098832.

The previous prime is 249571230631. The next prime is 249571230673. The reversal of 249571230664 is 466032175942.

249571230664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2228314504 + ... + 2228314615.

It is an arithmetic number, because the mean of its divisors is an integer number (33424718400).

Almost surely, 2^249571230664 is an apocalyptic number.

It is an amenable number.

249571230664 is an abundant number, since it is smaller than the sum of its proper divisors (285224263736).

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

249571230664 is a wasteful number, since it uses less digits than its factorization.

249571230664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456629132 (or 4456629128 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 249571230664 in words is "two hundred forty-nine billion, five hundred seventy-one million, two hundred thirty thousand, six hundred sixty-four".