64623599059 has 2 divisors, whose sum is σ = 64623599060. Its totient is φ = 64623599058.

The previous prime is 64623599023. The next prime is 64623599129. The reversal of 64623599059 is 95099532646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64623599059 - 2²¹ = 64621501907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64623598994 and 64623599012.

It is not a weakly prime, because it can be changed into another prime (64623599459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32311799529 + 32311799530.

It is an arithmetic number, because the mean of its divisors is an integer number (32311799530).

Almost surely, 2^64623599059 is an apocalyptic number.

64623599059 is a deficient number, since it is larger than the sum of its proper divisors (1).

64623599059 is an equidigital number, since it uses as much as digits as its factorization.

64623599059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 64623599059 in words is "sixty-four billion, six hundred twenty-three million, five hundred ninety-nine thousand, fifty-nine".