64757875573 has 2 divisors, whose sum is σ = 64757875574. Its totient is φ = 64757875572.

The previous prime is 64757875547. The next prime is 64757875639. The reversal of 64757875573 is 37557875746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64675101969 + 82773604 = 254313^2 + 9098^2 .

It is a cyclic number.

It is not a de Polignac number, because 64757875573 - 2³³ = 56167940981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64757875873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32378937786 + 32378937787.

It is an arithmetic number, because the mean of its divisors is an integer number (32378937787).

Almost surely, 2^64757875573 is an apocalyptic number.

It is an amenable number.

64757875573 is a deficient number, since it is larger than the sum of its proper divisors (1).

64757875573 is an equidigital number, since it uses as much as digits as its factorization.

64757875573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172872000, while the sum is 64.

The spelling of 64757875573 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-five thousand, five hundred seventy-three".