99518933 has 2 divisors, whose sum is σ = 99518934. Its totient is φ = 99518932.

The previous prime is 99518921. The next prime is 99518983. The reversal of 99518933 is 33981599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85063729 + 14455204 = 9223^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 99518933 - 2⁴ = 99518917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99518983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49759466 + 49759467.

It is an arithmetic number, because the mean of its divisors is an integer number (49759467).

Almost surely, 2^99518933 is an apocalyptic number.

It is an amenable number.

99518933 is a deficient number, since it is larger than the sum of its proper divisors (1).

99518933 is an equidigital number, since it uses as much as digits as its factorization.

99518933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 47.

The square root of 99518933 is about 9975.9176520258. The cubic root of 99518933 is about 463.4133815540.

The spelling of 99518933 in words is "ninety-nine million, five hundred eighteen thousand, nine hundred thirty-three".