249143911674 has 48 divisors (see below), whose sum is σ = 579701863296. Its totient is φ = 71176492800.

The previous prime is 249143911669. The next prime is 249143911699. The reversal of 249143911674 is 476119341942.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3145194 + ... + 3223434.

It is an arithmetic number, because the mean of its divisors is an integer number (12077122152).

Almost surely, 2^249143911674 is an apocalyptic number.

249143911674 is an abundant number, since it is smaller than the sum of its proper divisors (330557951622).

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

249143911674 is a wasteful number, since it uses less digits than its factorization.

249143911674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89091 (or 89084 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 249143911674 in words is "two hundred forty-nine billion, one hundred forty-three million, nine hundred eleven thousand, six hundred seventy-four".