64715562245 has 16 divisors (see below), whose sum is σ = 78081733632. Its totient is φ = 51490857600.

The previous prime is 64715562217. The next prime is 64715562257. The reversal of 64715562245 is 54226551746.

It is not a de Polignac number, because 64715562245 - 2¹⁴ = 64715545861 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 64715562245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157945 + ... + 1212545.

It is an arithmetic number, because the mean of its divisors is an integer number (4880108352).

Almost surely, 2^64715562245 is an apocalyptic number.

It is an amenable number.

64715562245 is a deficient number, since it is larger than the sum of its proper divisors (13366171387).

64715562245 is a wasteful number, since it uses less digits than its factorization.

64715562245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55892.

The product of its digits is 2016000, while the sum is 47.

The spelling of 64715562245 in words is "sixty-four billion, seven hundred fifteen million, five hundred sixty-two thousand, two hundred forty-five".