6464335331 has 2 divisors, whose sum is σ = 6464335332. Its totient is φ = 6464335330.

The previous prime is 6464335321. The next prime is 6464335351. The reversal of 6464335331 is 1335334646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6464335331 - 2¹⁰ = 6464334307 is a prime.

It is a super-2 number, since 2×6464335331² = 83575262543229759122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6464335321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232167665 + 3232167666.

It is an arithmetic number, because the mean of its divisors is an integer number (3232167666).

Almost surely, 2^6464335331 is an apocalyptic number.

6464335331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464335331 is an equidigital number, since it uses as much as digits as its factorization.

6464335331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 38.

The square root of 6464335331 is about 80401.0903595219. The cubic root of 6464335331 is about 1862.8360146036.

Adding to 6464335331 its reverse (1335334646), we get a palindrome (7799669977).

The spelling of 6464335331 in words is "six billion, four hundred sixty-four million, three hundred thirty-five thousand, three hundred thirty-one".