6397797319 has 2 divisors, whose sum is σ = 6397797320. Its totient is φ = 6397797318.

The previous prime is 6397797229. The next prime is 6397797331. The reversal of 6397797319 is 9137977936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6397797319 - 2¹⁵ = 6397764551 is a prime.

It is a super-2 number, since 2×6397797319² = 81863621070007175522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397797359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198898659 + 3198898660.

It is an arithmetic number, because the mean of its divisors is an integer number (3198898660).

Almost surely, 2^6397797319 is an apocalyptic number.

6397797319 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397797319 is an equidigital number, since it uses as much as digits as its factorization.

6397797319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13502538, while the sum is 61.

The square root of 6397797319 is about 79986.2320590238. The cubic root of 6397797319 is about 1856.4225102643.

The spelling of 6397797319 in words is "six billion, three hundred ninety-seven million, seven hundred ninety-seven thousand, three hundred nineteen".