2158084099 has 2 divisors, whose sum is σ = 2158084100. Its totient is φ = 2158084098.

The previous prime is 2158084073. The next prime is 2158084111. The reversal of 2158084099 is 9904808512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2158084099 - 2⁵ = 2158084067 is a prime.

It is not a weakly prime, because it can be changed into another prime (2158084399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079042049 + 1079042050.

It is an arithmetic number, because the mean of its divisors is an integer number (1079042050).

Almost surely, 2^2158084099 is an apocalyptic number.

2158084099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158084099 is an equidigital number, since it uses as much as digits as its factorization.

2158084099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 2158084099 is about 46455.1837688756. The cubic root of 2158084099 is about 1292.2785080390.

The spelling of 2158084099 in words is "two billion, one hundred fifty-eight million, eighty-four thousand, ninety-nine".