6464632099 has 2 divisors, whose sum is σ = 6464632100. Its totient is φ = 6464632098.

The previous prime is 6464632093. The next prime is 6464632117. The reversal of 6464632099 is 9902364646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6464632099 - 2²⁷ = 6330414371 is a prime.

It is a super-2 number, since 2×6464632099² = 83582936350842291602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6464632093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232316049 + 3232316050.

It is an arithmetic number, because the mean of its divisors is an integer number (3232316050).

Almost surely, 2^6464632099 is an apocalyptic number.

6464632099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464632099 is an equidigital number, since it uses as much as digits as its factorization.

6464632099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The square root of 6464632099 is about 80402.9358854513. The cubic root of 6464632099 is about 1862.8645208424.

The spelling of 6464632099 in words is "six billion, four hundred sixty-four million, six hundred thirty-two thousand, ninety-nine".