99218413207 has 2 divisors, whose sum is σ = 99218413208. Its totient is φ = 99218413206.

The previous prime is 99218413181. The next prime is 99218413211. The reversal of 99218413207 is 70231481299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99218413207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99218413277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49609206603 + 49609206604.

It is an arithmetic number, because the mean of its divisors is an integer number (49609206604).

Almost surely, 2^99218413207 is an apocalyptic number.

99218413207 is a deficient number, since it is larger than the sum of its proper divisors (1).

99218413207 is an equidigital number, since it uses as much as digits as its factorization.

99218413207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 99218413207 in words is "ninety-nine billion, two hundred eighteen million, four hundred thirteen thousand, two hundred seven".