6397137615 has 16 divisors (see below), whose sum is σ = 11165913216. Its totient is φ = 3101642400.

The previous prime is 6397137613. The next prime is 6397137629. The reversal of 6397137615 is 5167317936.

It is not a de Polignac number, because 6397137615 - 2¹ = 6397137613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397137611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19385101 + ... + 19385430.

It is an arithmetic number, because the mean of its divisors is an integer number (697869576).

Almost surely, 2^6397137615 is an apocalyptic number.

6397137615 is a deficient number, since it is larger than the sum of its proper divisors (4768775601).

6397137615 is a wasteful number, since it uses less digits than its factorization.

6397137615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38770550.

The product of its digits is 714420, while the sum is 48.

The square root of 6397137615 is about 79982.1080929979. The cubic root of 6397137615 is about 1856.3587002064.

The spelling of 6397137615 in words is "six billion, three hundred ninety-seven million, one hundred thirty-seven thousand, six hundred fifteen".