199136792479 has 2 divisors, whose sum is σ = 199136792480. Its totient is φ = 199136792478.

The previous prime is 199136792467. The next prime is 199136792509. The reversal of 199136792479 is 974297631991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199136792479 - 2⁹ = 199136791967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199136792879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99568396239 + 99568396240.

It is an arithmetic number, because the mean of its divisors is an integer number (99568396240).

Almost surely, 2^199136792479 is an apocalyptic number.

199136792479 is a deficient number, since it is larger than the sum of its proper divisors (1).

199136792479 is an equidigital number, since it uses as much as digits as its factorization.

199136792479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46294416, while the sum is 67.

The spelling of 199136792479 in words is "one hundred ninety-nine billion, one hundred thirty-six million, seven hundred ninety-two thousand, four hundred seventy-nine".