2149386597 has 10 divisors (see below), whose sum is σ = 3210812198. Its totient is φ = 1432924344.

The previous prime is 2149386559. The next prime is 2149386611. The reversal of 2149386597 is 7956839412.

2149386597 is a `hidden beast` number, since 2 + 1 + 49 + 3 + 8 + 6 + 597 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1076758596 + 1072628001 = 32814^2 + 32751^2 .

It is not a de Polignac number, because 2149386597 - 2²⁰ = 2148338021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149386527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13267738 + ... + 13267899.

Almost surely, 2^2149386597 is an apocalyptic number.

2149386597 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2149386597 is a deficient number, since it is larger than the sum of its proper divisors (1061425601).

2149386597 is an equidigital number, since it uses as much as digits as its factorization.

2149386597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26535649 (or 26535640 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 2149386597 is about 46361.4775109681. The cubic root of 2149386597 is about 1290.5401253583.

The spelling of 2149386597 in words is "two billion, one hundred forty-nine million, three hundred eighty-six thousand, five hundred ninety-seven".