64412999 has 8 divisors (see below), whose sum is σ = 75117600. Its totient is φ = 55210848.

The previous prime is 64412987. The next prime is 64413043. The reversal of 64412999 is 99921446.

It is a de Polignac number, because none of the positive numbers 2^k-64412999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64412939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93554 + ... + 94239.

It is an arithmetic number, because the mean of its divisors is an integer number (9389700).

Almost surely, 2^64412999 is an apocalyptic number.

64412999 is a deficient number, since it is larger than the sum of its proper divisors (10704601).

64412999 is an equidigital number, since it uses as much as digits as its factorization.

64412999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187814 (or 187800 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 64412999 is about 8025.7709287021. The cubic root of 64412999 is about 400.8585704070.

The spelling of 64412999 in words is "sixty-four million, four hundred twelve thousand, nine hundred ninety-nine".