995636899 has 2 divisors, whose sum is σ = 995636900. Its totient is φ = 995636898.

The previous prime is 995636897. The next prime is 995636933. The reversal of 995636899 is 998636599.

995636899 = T₂₅₇₆₂ + T₂₅₇₆₃ + T₂₅₇₆₄.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995636899 - 2¹ = 995636897 is a prime.

Together with 995636897, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 995636899.

It is not a weakly prime, because it can be changed into another prime (995636893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497818449 + 497818450.

It is an arithmetic number, because the mean of its divisors is an integer number (497818450).

Almost surely, 2^995636899 is an apocalyptic number.

995636899 is the 25764-th centered triangular number.

995636899 is a deficient number, since it is larger than the sum of its proper divisors (1).

995636899 is an equidigital number, since it uses as much as digits as its factorization.

995636899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28343520, while the sum is 64.

The square root of 995636899 is about 31553.7145040010. The cubic root of 995636899 is about 998.5435126746.

The spelling of 995636899 in words is "nine hundred ninety-five million, six hundred thirty-six thousand, eight hundred ninety-nine".