99926480431 has 2 divisors, whose sum is σ = 99926480432. Its totient is φ = 99926480430.

The previous prime is 99926480413. The next prime is 99926480473. The reversal of 99926480431 is 13408462999.

Together with previous prime (99926480413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99926480431 - 2⁵ = 99926480399 is a prime.

It is a super-2 number, since 2×99926480431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99926483431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49963240215 + 49963240216.

It is an arithmetic number, because the mean of its divisors is an integer number (49963240216).

Almost surely, 2^99926480431 is an apocalyptic number.

99926480431 is a deficient number, since it is larger than the sum of its proper divisors (1).

99926480431 is an equidigital number, since it uses as much as digits as its factorization.

99926480431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 99926480431 in words is "ninety-nine billion, nine hundred twenty-six million, four hundred eighty thousand, four hundred thirty-one".