8195552399 has 2 divisors, whose sum is σ = 8195552400. Its totient is φ = 8195552398.

The previous prime is 8195552381. The next prime is 8195552437. The reversal of 8195552399 is 9932555918.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8195552399 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 (8195552369) 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, 4097776199 + 4097776200.

It is an arithmetic number, because the mean of its divisors is an integer number (4097776200).

Almost surely, 2^8195552399 is an apocalyptic number.

8195552399 is a deficient number, since it is larger than the sum of its proper divisors (1).

8195552399 is an equidigital number, since it uses as much as digits as its factorization.

8195552399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374000, while the sum is 56.

The square root of 8195552399 is about 90529.2902822065. The cubic root of 8195552399 is about 2016.1650271935.

The spelling of 8195552399 in words is "eight billion, one hundred ninety-five million, five hundred fifty-two thousand, three hundred ninety-nine".