6650625599 has 2 divisors, whose sum is σ = 6650625600. Its totient is φ = 6650625598.

The previous prime is 6650625581. The next prime is 6650625649. The reversal of 6650625599 is 9955260566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6650625599 - 2²⁴ = 6633848383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6650625599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6650625899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325312799 + 3325312800.

It is an arithmetic number, because the mean of its divisors is an integer number (3325312800).

Almost surely, 2^6650625599 is an apocalyptic number.

6650625599 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650625599 is an equidigital number, since it uses as much as digits as its factorization.

6650625599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The square root of 6650625599 is about 81551.3678548680. The cubic root of 6650625599 is about 1880.5613231620.

The spelling of 6650625599 in words is "six billion, six hundred fifty million, six hundred twenty-five thousand, five hundred ninety-nine".