99240292507 has 2 divisors, whose sum is σ = 99240292508. Its totient is φ = 99240292506.

The previous prime is 99240292493. The next prime is 99240292523. The reversal of 99240292507 is 70529204299.

It is a weak prime.

It is an emirp because it is prime and its reverse (70529204299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99240292507 - 2¹⁵ = 99240259739 is a prime.

It is not a weakly prime, because it can be changed into another prime (99240292577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49620146253 + 49620146254.

It is an arithmetic number, because the mean of its divisors is an integer number (49620146254).

Almost surely, 2^99240292507 is an apocalyptic number.

99240292507 is a deficient number, since it is larger than the sum of its proper divisors (1).

99240292507 is an equidigital number, since it uses as much as digits as its factorization.

99240292507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 99240292507 in words is "ninety-nine billion, two hundred forty million, two hundred ninety-two thousand, five hundred seven".