64572522047 has 12 divisors (see below), whose sum is σ = 71086877400. Its totient is φ = 58610927760.

The previous prime is 64572522041. The next prime is 64572522121. The reversal of 64572522047 is 74022527546.

It is not a de Polignac number, because 64572522047 - 2¹⁶ = 64572456511 is a prime.

It is a super-2 number, since 2×64572522047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64572521989 and 64572522007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64572522041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337172 + ... + 492777.

It is an arithmetic number, because the mean of its divisors is an integer number (5923906450).

Almost surely, 2^64572522047 is an apocalyptic number.

64572522047 is a deficient number, since it is larger than the sum of its proper divisors (6514355353).

64572522047 is a wasteful number, since it uses less digits than its factorization.

64572522047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830614 (or 830603 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 64572522047 in words is "sixty-four billion, five hundred seventy-two million, five hundred twenty-two thousand, forty-seven".