64724456263 has 8 divisors (see below), whose sum is σ = 65045527200. Its totient is φ = 64403719968.

The previous prime is 64724456249. The next prime is 64724456267. The reversal of 64724456263 is 36265442746.

64724456263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64724456263 - 2²⁵ = 64690901831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64724456267) 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, 308670 + ... + 474052.

It is an arithmetic number, because the mean of its divisors is an integer number (8130690900).

Almost surely, 2^64724456263 is an apocalyptic number.

64724456263 is a deficient number, since it is larger than the sum of its proper divisors (321070937).

64724456263 is a wasteful number, since it uses less digits than its factorization.

64724456263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167321.

The product of its digits is 5806080, while the sum is 49.

The spelling of 64724456263 in words is "sixty-four billion, seven hundred twenty-four million, four hundred fifty-six thousand, two hundred sixty-three".