2113732619 has 2 divisors, whose sum is σ = 2113732620. Its totient is φ = 2113732618.

The previous prime is 2113732609. The next prime is 2113732651. The reversal of 2113732619 is 9162373112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113732619 - 2²⁸ = 1845297163 is a prime.

It is a super-2 number, since 2×2113732619² = 8935731169249198322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2113732609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056866309 + 1056866310.

It is an arithmetic number, because the mean of its divisors is an integer number (1056866310).

Almost surely, 2^2113732619 is an apocalyptic number.

2113732619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113732619 is an equidigital number, since it uses as much as digits as its factorization.

2113732619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 2113732619 is about 45975.3479486561. The cubic root of 2113732619 is about 1283.3644842647.

The spelling of 2113732619 in words is "two billion, one hundred thirteen million, seven hundred thirty-two thousand, six hundred nineteen".