8215495199 has 2 divisors, whose sum is σ = 8215495200. Its totient is φ = 8215495198.

The previous prime is 8215495187. The next prime is 8215495201. The reversal of 8215495199 is 9915945128.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8215495199 - 2²⁴ = 8198717983 is a prime.

It is a super-2 number, since 2×8215495199² (a number of 21 digits) contains 22 as substring.

Together with 8215495201, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8215495199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8215495999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107747599 + 4107747600.

It is an arithmetic number, because the mean of its divisors is an integer number (4107747600).

Almost surely, 2^8215495199 is an apocalyptic number.

8215495199 is a deficient number, since it is larger than the sum of its proper divisors (1).

8215495199 is an equidigital number, since it uses as much as digits as its factorization.

8215495199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 53.

The square root of 8215495199 is about 90639.3689243256. The cubic root of 8215495199 is about 2017.7990600753.

The spelling of 8215495199 in words is "eight billion, two hundred fifteen million, four hundred ninety-five thousand, one hundred ninety-nine".