18710099 has 2 divisors, whose sum is σ = 18710100. Its totient is φ = 18710098.

The previous prime is 18710077. The next prime is 18710137. The reversal of 18710099 is 99001781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18710099 - 2¹² = 18706003 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18710009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9355049 + 9355050.

It is an arithmetic number, because the mean of its divisors is an integer number (9355050).

Almost surely, 2^18710099 is an apocalyptic number.

18710099 is a deficient number, since it is larger than the sum of its proper divisors (1).

18710099 is an equidigital number, since it uses as much as digits as its factorization.

18710099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 18710099 is about 4325.5171945098. The cubic root of 18710099 is about 265.4760589513.

The spelling of 18710099 in words is "eighteen million, seven hundred ten thousand, ninety-nine".