64522622605 has 32 divisors (see below), whose sum is σ = 91077719040. Its totient is φ = 42954520320.

The previous prime is 64522622581. The next prime is 64522622621. The reversal of 64522622605 is 50622622546.

It is a happy number.

64522622605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64522622605 - 2¹¹ = 64522620557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542956 + ... + 651034.

It is an arithmetic number, because the mean of its divisors is an integer number (2846178720).

Almost surely, 2^64522622605 is an apocalyptic number.

It is an amenable number.

64522622605 is a deficient number, since it is larger than the sum of its proper divisors (26555096435).

64522622605 is a wasteful number, since it uses less digits than its factorization.

64522622605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108589.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 64522622605 in words is "sixty-four billion, five hundred twenty-two million, six hundred twenty-two thousand, six hundred five".