6404258131 has 2 divisors, whose sum is σ = 6404258132. Its totient is φ = 6404258130.

The previous prime is 6404258093. The next prime is 6404258137. The reversal of 6404258131 is 1318524046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6404258131 - 2⁹ = 6404257619 is a prime.

It is a super-2 number, since 2×6404258131² = 82029044416959226322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6404258137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202129065 + 3202129066.

It is an arithmetic number, because the mean of its divisors is an integer number (3202129066).

Almost surely, 2^6404258131 is an apocalyptic number.

6404258131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404258131 is an equidigital number, since it uses as much as digits as its factorization.

6404258131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 6404258131 is about 80026.6088935424. The cubic root of 6404258131 is about 1857.0472024367.

The spelling of 6404258131 in words is "six billion, four hundred four million, two hundred fifty-eight thousand, one hundred thirty-one".