64523595601 has 2 divisors, whose sum is σ = 64523595602. Its totient is φ = 64523595600.

The previous prime is 64523595589. The next prime is 64523595607. The reversal of 64523595601 is 10659532546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32356814400 + 32166781201 = 179880^2 + 179351^2 .

It is a cyclic number.

It is not a de Polignac number, because 64523595601 - 2¹¹ = 64523593553 is a prime.

It is not a weakly prime, because it can be changed into another prime (64523595607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32261797800 + 32261797801.

It is an arithmetic number, because the mean of its divisors is an integer number (32261797801).

Almost surely, 2^64523595601 is an apocalyptic number.

It is an amenable number.

64523595601 is a deficient number, since it is larger than the sum of its proper divisors (1).

64523595601 is an equidigital number, since it uses as much as digits as its factorization.

64523595601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 64523595601 in words is "sixty-four billion, five hundred twenty-three million, five hundred ninety-five thousand, six hundred one".