253860249734 has 64 divisors (see below), whose sum is σ = 495034552320. Its totient is φ = 94928319360.

The previous prime is 253860249733. The next prime is 253860249787. The reversal of 253860249734 is 437942068352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253860249733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280589 + ... + 765800.

It is an arithmetic number, because the mean of its divisors is an integer number (7734914880).

Almost surely, 2^253860249734 is an apocalyptic number.

253860249734 is a deficient number, since it is larger than the sum of its proper divisors (241174302586).

253860249734 is a wasteful number, since it uses less digits than its factorization.

253860249734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046485.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 253860249734 in words is "two hundred fifty-three billion, eight hundred sixty million, two hundred forty-nine thousand, seven hundred thirty-four".