6397913371 has 4 divisors (see below), whose sum is σ = 6400684144. Its totient is φ = 6395142600.

The previous prime is 6397913359. The next prime is 6397913383. The reversal of 6397913371 is 1733197936.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6397913359) and next prime (6397913383).

It is a cyclic number.

It is not a de Polignac number, because 6397913371 - 2¹³ = 6397905179 is a prime.

It is a super-3 number, since 3×6397913371³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6397913321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381920 + ... + 1386541.

It is an arithmetic number, because the mean of its divisors is an integer number (1600171036).

Almost surely, 2^6397913371 is an apocalyptic number.

6397913371 is a deficient number, since it is larger than the sum of its proper divisors (2770773).

6397913371 is a wasteful number, since it uses less digits than its factorization.

6397913371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770772.

The product of its digits is 642978, while the sum is 49.

The square root of 6397913371 is about 79986.9575055834. The cubic root of 6397913371 is about 1856.4337349735.

The spelling of 6397913371 in words is "six billion, three hundred ninety-seven million, nine hundred thirteen thousand, three hundred seventy-one".