64404555654 has 8 divisors (see below), whose sum is σ = 128809111320. Its totient is φ = 21468185216.

The previous prime is 64404555619. The next prime is 64404555697. The reversal of 64404555654 is 45655540446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

64404555654 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5367046299 + ... + 5367046310.

It is an arithmetic number, because the mean of its divisors is an integer number (16101138915).

Almost surely, 2^64404555654 is an apocalyptic number.

64404555654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64404555654 is a wasteful number, since it uses less digits than its factorization.

64404555654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734092614.

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 64404555654 in words is "sixty-four billion, four hundred four million, five hundred fifty-five thousand, six hundred fifty-four".