6397150639571 has 2 divisors, whose sum is σ = 6397150639572. Its totient is φ = 6397150639570.

The previous prime is 6397150639501. The next prime is 6397150639573. The reversal of 6397150639571 is 1759360517936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6397150639571 - 2⁴² = 1999104128467 is a prime.

It is a Sophie Germain prime.

Together with 6397150639573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6397150639573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198575319785 + 3198575319786.

It is an arithmetic number, because the mean of its divisors is an integer number (3198575319786).

Almost surely, 2^{6397150639571} is an apocalyptic number.

6397150639571 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397150639571 is an equidigital number, since it uses as much as digits as its factorization.

6397150639571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32148900, while the sum is 62.

The spelling of 6397150639571 in words is "six trillion, three hundred ninety-seven billion, one hundred fifty million, six hundred thirty-nine thousand, five hundred seventy-one".