9571422064 has 20 divisors (see below), whose sum is σ = 19520664040. Its totient is φ = 4533831360.

The previous prime is 9571422053. The next prime is 9571422067. The reversal of 9571422064 is 4602241759.

It is a super-2 number, since 2×9571422064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9571422067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15742167 + ... + 15742774.

It is an arithmetic number, because the mean of its divisors is an integer number (976033202).

Almost surely, 2^9571422064 is an apocalyptic number.

It is an amenable number.

9571422064 is an abundant number, since it is smaller than the sum of its proper divisors (9949241976).

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

9571422064 is a wasteful number, since it uses less digits than its factorization.

9571422064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484968 (or 31484962 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 9571422064 is about 97833.6448467499. The cubic root of 9571422064 is about 2123.2061124662.

The spelling of 9571422064 in words is "nine billion, five hundred seventy-one million, four hundred twenty-two thousand, sixty-four".