6397063969 has 2 divisors, whose sum is σ = 6397063970. Its totient is φ = 6397063968.

The previous prime is 6397063957. The next prime is 6397063973. The reversal of 6397063969 is 9693607936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5843073600 + 553990369 = 76440^2 + 23537^2 .

It is a cyclic number.

It is not a de Polignac number, because 6397063969 - 2⁹ = 6397063457 is a prime.

It is a super-2 number, since 2×6397063969² = 81844854846956065922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6397063999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198531984 + 3198531985.

It is an arithmetic number, because the mean of its divisors is an integer number (3198531985).

Almost surely, 2^6397063969 is an apocalyptic number.

It is an amenable number.

6397063969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397063969 is an equidigital number, since it uses as much as digits as its factorization.

6397063969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 58.

The square root of 6397063969 is about 79981.6477012071. The cubic root of 6397063969 is about 1856.3515765038.

The spelling of 6397063969 in words is "six billion, three hundred ninety-seven million, sixty-three thousand, nine hundred sixty-nine".