64385658346 has 4 divisors (see below), whose sum is σ = 96578487522. Its totient is φ = 32192829172.

The previous prime is 64385658319. The next prime is 64385658353.

64385658346 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40286511225 + 24099147121 = 200715^2 + 155239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16096414585 + ... + 16096414588.

Almost surely, 2^64385658346 is an apocalyptic number.

64385658346 is a deficient number, since it is larger than the sum of its proper divisors (32192829176).

64385658346 is a wasteful number, since it uses less digits than its factorization.

64385658346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32192829175.

The product of its digits is 49766400, while the sum is 58.

The spelling of 64385658346 in words is "sixty-four billion, three hundred eighty-five million, six hundred fifty-eight thousand, three hundred forty-six".