2117004638 has 32 divisors (see below), whose sum is σ = 3719333376. Its totient is φ = 884808288.

The previous prime is 2117004613. The next prime is 2117004653. The reversal of 2117004638 is 8364007112.

It is a super-2 number, since 2×2117004638² = 8963417274627022088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444920 + ... + 449652.

It is an arithmetic number, because the mean of its divisors is an integer number (116229168).

Almost surely, 2^2117004638 is an apocalyptic number.

2117004638 is a deficient number, since it is larger than the sum of its proper divisors (1602328738).

2117004638 is a wasteful number, since it uses less digits than its factorization.

2117004638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2117004638 is about 46010.9186824171. The cubic root of 2117004638 is about 1284.0263510248.

The spelling of 2117004638 in words is "two billion, one hundred seventeen million, four thousand, six hundred thirty-eight".