6397636973337 has 16 divisors (see below), whose sum is σ = 9480139378560. Its totient is φ = 4264119910800.

The previous prime is 6397636973323. The next prime is 6397636973363. The reversal of 6397636973337 is 7333796367936.

6397636973337 is a `hidden beast` number, since 63 + 97 + 63 + 6 + 97 + 3 + 337 = 666.

It is not a de Polignac number, because 6397636973337 - 2¹⁶ = 6397636907801 is a prime.

It is a super-2 number, since 2×6397636973337² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6397636971337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26862714 + ... + 27099827.

It is an arithmetic number, because the mean of its divisors is an integer number (592508711160).

Almost surely, 2^{6397636973337} is an apocalyptic number.

It is an amenable number.

6397636973337 is a deficient number, since it is larger than the sum of its proper divisors (3082502405223).

6397636973337 is a wasteful number, since it uses less digits than its factorization.

6397636973337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53966941 (or 53966935 counting only the distinct ones).

The product of its digits is 1458274104, while the sum is 72.

The spelling of 6397636973337 in words is "six trillion, three hundred ninety-seven billion, six hundred thirty-six million, nine hundred seventy-three thousand, three hundred thirty-seven".