99240292493 has 2 divisors, whose sum is σ = 99240292494. Its totient is φ = 99240292492.

The previous prime is 99240292477. The next prime is 99240292507. The reversal of 99240292493 is 39429204299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87851774404 + 11388518089 = 296398^2 + 106717^2 .

It is an emirp because it is prime and its reverse (39429204299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99240292493 - 2⁴ = 99240292477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99240292433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49620146246 + 49620146247.

It is an arithmetic number, because the mean of its divisors is an integer number (49620146247).

Almost surely, 2^99240292493 is an apocalyptic number.

It is an amenable number.

99240292493 is a deficient number, since it is larger than the sum of its proper divisors (1).

99240292493 is an equidigital number, since it uses as much as digits as its factorization.

99240292493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 99240292493 in words is "ninety-nine billion, two hundred forty million, two hundred ninety-two thousand, four hundred ninety-three".