64835418835 has 32 divisors (see below), whose sum is σ = 89367448320. Its totient is φ = 44658864000.

The previous prime is 64835418799. The next prime is 64835418841. The reversal of 64835418835 is 53881453846.

It is a happy number.

It is not a de Polignac number, because 64835418835 - 2⁷ = 64835418707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5324464 + ... + 5336626.

It is an arithmetic number, because the mean of its divisors is an integer number (2792732760).

Almost surely, 2^64835418835 is an apocalyptic number.

64835418835 is a deficient number, since it is larger than the sum of its proper divisors (24532029485).

64835418835 is a wasteful number, since it uses less digits than its factorization.

64835418835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17299.

The product of its digits is 11059200, while the sum is 55.

The spelling of 64835418835 in words is "sixty-four billion, eight hundred thirty-five million, four hundred eighteen thousand, eight hundred thirty-five".