64590651583 has 2 divisors, whose sum is σ = 64590651584. Its totient is φ = 64590651582.

The previous prime is 64590651529. The next prime is 64590651607. The reversal of 64590651583 is 38515609546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64590651583 - 2¹³ = 64590643391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64590651583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64590651283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32295325791 + 32295325792.

It is an arithmetic number, because the mean of its divisors is an integer number (32295325792).

Almost surely, 2^64590651583 is an apocalyptic number.

64590651583 is a deficient number, since it is larger than the sum of its proper divisors (1).

64590651583 is an equidigital number, since it uses as much as digits as its factorization.

64590651583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 64590651583 in words is "sixty-four billion, five hundred ninety million, six hundred fifty-one thousand, five hundred eighty-three".