64814230892 has 12 divisors (see below), whose sum is σ = 113429708616. Its totient is φ = 32405742720.

The previous prime is 64814230879. The next prime is 64814230913. The reversal of 64814230892 is 29803241846.

It is a super-2 number, since 2×64814230892² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233018 + ... + 428865.

It is an arithmetic number, because the mean of its divisors is an integer number (9452475718).

Almost surely, 2^64814230892 is an apocalyptic number.

It is an amenable number.

64814230892 is a deficient number, since it is larger than the sum of its proper divisors (48615477724).

64814230892 is a wasteful number, since it uses less digits than its factorization.

64814230892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686368 (or 686366 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 64814230892 in words is "sixty-four billion, eight hundred fourteen million, two hundred thirty thousand, eight hundred ninety-two".