64464888846446 has 32 divisors (see below), whose sum is σ = 105529733366400. Its totient is φ = 29290630891680.

The previous prime is 64464888846433. The next prime is 64464888846451.

It is a happy number.

64464888846446 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924710476 + ... + 1924743968.

It is an arithmetic number, because the mean of its divisors is an integer number (3297804167700).

Almost surely, 2^{64464888846446} is an apocalyptic number.

64464888846446 is a deficient number, since it is larger than the sum of its proper divisors (41064844519954).

64464888846446 is a wasteful number, since it uses less digits than its factorization.

64464888846446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65504.

The product of its digits is 21743271936, while the sum is 80.

The spelling of 64464888846446 in words is "sixty-four trillion, four hundred sixty-four billion, eight hundred eighty-eight million, eight hundred forty-six thousand, four hundred forty-six".