249795707597942 has 32 divisors (see below), whose sum is σ = 409076283377664. Its totient is φ = 113454726840000.

The previous prime is 249795707597941. The next prime is 249795707597963.

249795707597942 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249795707597941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240834983 + ... + 241869965.

It is an arithmetic number, because the mean of its divisors is an integer number (12783633855552).

Almost surely, 2^{249795707597942} is an apocalyptic number.

249795707597942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249795707597942 is a deficient number, since it is larger than the sum of its proper divisors (159280575779722).

249795707597942 is a wasteful number, since it uses less digits than its factorization.

249795707597942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043564.

The product of its (nonzero) digits is 25204737600, while the sum is 86.

The spelling of 249795707597942 in words is "two hundred forty-nine trillion, seven hundred ninety-five billion, seven hundred seven million, five hundred ninety-seven thousand, nine hundred forty-two".