64353444435346 has 96 divisors (see below), whose sum is σ = 115836208488000. Its totient is φ = 26687618939520.

The previous prime is 64353444435341. The next prime is 64353444435407.

64353444435346 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (64353444435341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51249705 + ... + 52490371.

It is an arithmetic number, because the mean of its divisors is an integer number (1206627171750).

Almost surely, 2^{64353444435346} is an apocalyptic number.

64353444435346 is a deficient number, since it is larger than the sum of its proper divisors (51482764052654).

64353444435346 is a wasteful number, since it uses less digits than its factorization.

64353444435346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241128 (or 1241117 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 58.

The spelling of 64353444435346 in words is "sixty-four trillion, three hundred fifty-three billion, four hundred forty-four million, four hundred thirty-five thousand, three hundred forty-six".