6426322125191 has 2 divisors, whose sum is σ = 6426322125192. Its totient is φ = 6426322125190.

The previous prime is 6426322125173. The next prime is 6426322125247. The reversal of 6426322125191 is 1915212236246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6426322125191 - 2⁶ = 6426322125127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6426322125991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213161062595 + 3213161062596.

It is an arithmetic number, because the mean of its divisors is an integer number (3213161062596).

Almost surely, 2^{6426322125191} is an apocalyptic number.

6426322125191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426322125191 is an equidigital number, since it uses as much as digits as its factorization.

6426322125191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The spelling of 6426322125191 in words is "six trillion, four hundred twenty-six billion, three hundred twenty-two million, one hundred twenty-five thousand, one hundred ninety-one".