64374644647346 has 8 divisors (see below), whose sum is σ = 105340327604784. Its totient is φ = 29261202112420.

The previous prime is 64374644647333. The next prime is 64374644647361.

It is a happy number.

64374644647346 is nontrivially palindromic in base 10.

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

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, 1463060105600 + ... + 1463060105643.

It is an arithmetic number, because the mean of its divisors is an integer number (13167540950598).

Almost surely, 2^{64374644647346} is an apocalyptic number.

64374644647346 is a deficient number, since it is larger than the sum of its proper divisors (40965682957438).

64374644647346 is a wasteful number, since it uses less digits than its factorization.

64374644647346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926120211256.

The product of its digits is 2341011456, while the sum is 68.

The spelling of 64374644647346 in words is "sixty-four trillion, three hundred seventy-four billion, six hundred forty-four million, six hundred forty-seven thousand, three hundred forty-six".