2647874438 has 64 divisors (see below), whose sum is σ = 4616967168. Its totient is φ = 1127934720.

The previous prime is 2647874419. The next prime is 2647874441. The reversal of 2647874438 is 8344787462.

It is a super-2 number, since 2×2647874438² = 14022478078827631688, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2647874438.

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, 2562770 + ... + 2563802.

It is an arithmetic number, because the mean of its divisors is an integer number (72140112).

Almost surely, 2^2647874438 is an apocalyptic number.

2647874438 is a deficient number, since it is larger than the sum of its proper divisors (1969092730).

2647874438 is a wasteful number, since it uses less digits than its factorization.

2647874438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its digits is 7225344, while the sum is 53.

The square root of 2647874438 is about 51457.5012801827. The cubic root of 2647874438 is about 1383.4574158531.

The spelling of 2647874438 in words is "two billion, six hundred forty-seven million, eight hundred seventy-four thousand, four hundred thirty-eight".