99923241589 has 2 divisors, whose sum is σ = 99923241590. Its totient is φ = 99923241588.

The previous prime is 99923241581. The next prime is 99923241611. The reversal of 99923241589 is 98514232999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67214710564 + 32708531025 = 259258^2 + 180855^2 .

It is a cyclic number.

It is not a de Polignac number, because 99923241589 - 2³ = 99923241581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99923241581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961620794 + 49961620795.

It is an arithmetic number, because the mean of its divisors is an integer number (49961620795).

Almost surely, 2^99923241589 is an apocalyptic number.

It is an amenable number.

99923241589 is a deficient number, since it is larger than the sum of its proper divisors (1).

99923241589 is an equidigital number, since it uses as much as digits as its factorization.

99923241589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 61.

The spelling of 99923241589 in words is "ninety-nine billion, nine hundred twenty-three million, two hundred forty-one thousand, five hundred eighty-nine".