18350099 has 2 divisors, whose sum is σ = 18350100. Its totient is φ = 18350098.

The previous prime is 18350093. The next prime is 18350117. The reversal of 18350099 is 99005381.

It is a weak prime.

It is an emirp because it is prime and its reverse (99005381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18350099 is a prime.

It is a super-2 number, since 2×18350099² = 673452266619602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18350093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9175049 + 9175050.

It is an arithmetic number, because the mean of its divisors is an integer number (9175050).

Almost surely, 2^18350099 is an apocalyptic number.

18350099 is a deficient number, since it is larger than the sum of its proper divisors (1).

18350099 is an equidigital number, since it uses as much as digits as its factorization.

18350099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 18350099 is about 4283.7015535632. The cubic root of 18350099 is about 263.7623502224.

The spelling of 18350099 in words is "eighteen million, three hundred fifty thousand, ninety-nine".