64743291460 has 24 divisors (see below), whose sum is σ = 136775056320. Its totient is φ = 25742241504.

The previous prime is 64743291451. The next prime is 64743291479. The reversal of 64743291460 is 6419234746.

It is a self number, because there is not a number n which added to its sum of digits gives 64743291460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9688770 + ... + 9695449.

It is an arithmetic number, because the mean of its divisors is an integer number (5698960680).

Almost surely, 2^64743291460 is an apocalyptic number.

It is an amenable number.

64743291460 is an abundant number, since it is smaller than the sum of its proper divisors (72031764860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64743291460 is a wasteful number, since it uses less digits than its factorization.

64743291460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384395 (or 19384393 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 64743291460 in words is "sixty-four billion, seven hundred forty-three million, two hundred ninety-one thousand, four hundred sixty".