2113916497 has 48 divisors (see below), whose sum is σ = 2844564480. Its totient is φ = 1549044000.

The previous prime is 2113916489. The next prime is 2113916533. The reversal of 2113916497 is 7946193112.

It is not a de Polignac number, because 2113916497 - 2³ = 2113916489 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2113916437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1545708 + ... + 1547074.

It is an arithmetic number, because the mean of its divisors is an integer number (59261760).

Almost surely, 2^2113916497 is an apocalyptic number.

It is an amenable number.

2113916497 is a deficient number, since it is larger than the sum of its proper divisors (730647983).

2113916497 is a wasteful number, since it uses less digits than its factorization.

2113916497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1555 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 2113916497 is about 45977.3476507725. The cubic root of 2113916497 is about 1283.4016973682.

It can be divided in two parts, 21139 and 16497, that added together give a square (37636 = 194²).

The spelling of 2113916497 in words is "two billion, one hundred thirteen million, nine hundred sixteen thousand, four hundred ninety-seven".