72195664199 has 2 divisors, whose sum is σ = 72195664200. Its totient is φ = 72195664198.

The previous prime is 72195664139. The next prime is 72195664231. The reversal of 72195664199 is 99146659127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72195664199 - 2¹⁶ = 72195598663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72195664139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36097832099 + 36097832100.

It is an arithmetic number, because the mean of its divisors is an integer number (36097832100).

Almost surely, 2^72195664199 is an apocalyptic number.

72195664199 is a deficient number, since it is larger than the sum of its proper divisors (1).

72195664199 is an equidigital number, since it uses as much as digits as its factorization.

72195664199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The spelling of 72195664199 in words is "seventy-two billion, one hundred ninety-five million, six hundred sixty-four thousand, one hundred ninety-nine".