2113897375 has 8 divisors (see below), whose sum is σ = 2638144080. Its totient is φ = 1691117800.

The previous prime is 2113897361. The next prime is 2113897391. The reversal of 2113897375 is 5737983112.

It is not a de Polignac number, because 2113897375 - 2¹¹ = 2113895327 is a prime.

It is a super-2 number, since 2×2113897375² = 8937124224063781250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8455465 + ... + 8455714.

It is an arithmetic number, because the mean of its divisors is an integer number (329768010).

Almost surely, 2^2113897375 is an apocalyptic number.

2113897375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2113897375 is a deficient number, since it is larger than the sum of its proper divisors (524246705).

2113897375 is an equidigital number, since it uses as much as digits as its factorization.

2113897375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16911194 (or 16911184 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 2113897375 is about 45977.1397000727. The cubic root of 2113897375 is about 1283.3978275715.

The spelling of 2113897375 in words is "two billion, one hundred thirteen million, eight hundred ninety-seven thousand, three hundred seventy-five".