2179792099 has 2 divisors, whose sum is σ = 2179792100. Its totient is φ = 2179792098.

The previous prime is 2179792061. The next prime is 2179792127. The reversal of 2179792099 is 9902979712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179792099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2179792799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089896049 + 1089896050.

It is an arithmetic number, because the mean of its divisors is an integer number (1089896050).

Almost surely, 2^2179792099 is an apocalyptic number.

2179792099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179792099 is an equidigital number, since it uses as much as digits as its factorization.

2179792099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 2179792099 is about 46688.2436915333. The cubic root of 2179792099 is about 1296.5970366439.

The spelling of 2179792099 in words is "two billion, one hundred seventy-nine million, seven hundred ninety-two thousand, ninety-nine".