64464899 has 2 divisors, whose sum is σ = 64464900. Its totient is φ = 64464898.

The previous prime is 64464887. The next prime is 64464923. The reversal of 64464899 is 99846446.

64464899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64464899 - 2⁸ = 64464643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (64464859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32232449 + 32232450.

It is an arithmetic number, because the mean of its divisors is an integer number (32232450).

Almost surely, 2^64464899 is an apocalyptic number.

64464899 is a deficient number, since it is larger than the sum of its proper divisors (1).

64464899 is an equidigital number, since it uses as much as digits as its factorization.

64464899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The square root of 64464899 is about 8029.0036119060. The cubic root of 64464899 is about 400.9662038296.

The spelling of 64464899 in words is "sixty-four million, four hundred sixty-four thousand, eight hundred ninety-nine".