249042925695 has 32 divisors (see below), whose sum is σ = 419917236480. Its totient is φ = 125689259520.

The previous prime is 249042925673. The next prime is 249042925783. The reversal of 249042925695 is 596529240942.

It is not a de Polignac number, because 249042925695 - 2⁶ = 249042925631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244849 + ... + 747018.

It is an arithmetic number, because the mean of its divisors is an integer number (13122413640).

Almost surely, 2^249042925695 is an apocalyptic number.

249042925695 is a deficient number, since it is larger than the sum of its proper divisors (170874310785).

249042925695 is a wasteful number, since it uses less digits than its factorization.

249042925695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992775.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 249042925695 in words is "two hundred forty-nine billion, forty-two million, nine hundred twenty-five thousand, six hundred ninety-five".