64460557674443 has 8 divisors (see below), whose sum is σ = 73673244038112. Its totient is φ = 55248880127616.

The previous prime is 64460557674431. The next prime is 64460557674449. The reversal of 64460557674443 is 34447675506446.

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

It is not a de Polignac number, because 64460557674443 - 2¹⁴ = 64460557658059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64460557674443.

It is not an unprimeable number, because it can be changed into a prime (64460557674449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252067280 + ... + 252322877.

It is an arithmetic number, because the mean of its divisors is an integer number (9209155504764).

Almost surely, 2^{64460557674443} is an apocalyptic number.

64460557674443 is a deficient number, since it is larger than the sum of its proper divisors (9212686363669).

64460557674443 is a wasteful number, since it uses less digits than its factorization.

64460557674443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504408421.

The product of its (nonzero) digits is 812851200, while the sum is 65.

The spelling of 64460557674443 in words is "sixty-four trillion, four hundred sixty billion, five hundred fifty-seven million, six hundred seventy-four thousand, four hundred forty-three".