64396669346 has 16 divisors (see below), whose sum is σ = 97970256384. Its totient is φ = 31742721504.

The previous prime is 64396669319. The next prime is 64396669361.

It is a happy number.

64396669346 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654971 + ... + 746846.

It is an arithmetic number, because the mean of its divisors is an integer number (6123141024).

Almost surely, 2^64396669346 is an apocalyptic number.

64396669346 is a deficient number, since it is larger than the sum of its proper divisors (33573587038).

64396669346 is a wasteful number, since it uses less digits than its factorization.

64396669346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402145.

The product of its digits is 90699264, while the sum is 62.

The spelling of 64396669346 in words is "sixty-four billion, three hundred ninety-six million, six hundred sixty-nine thousand, three hundred forty-six".