99442288793 has 2 divisors, whose sum is σ = 99442288794. Its totient is φ = 99442288792.

The previous prime is 99442288741. The next prime is 99442288811. The reversal of 99442288793 is 39788224499.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96132242704 + 3310046089 = 310052^2 + 57533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99442288793 is a prime.

It is not a weakly prime, because it can be changed into another prime (99442288993) 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, 49721144396 + 49721144397.

It is an arithmetic number, because the mean of its divisors is an integer number (49721144397).

Almost surely, 2^99442288793 is an apocalyptic number.

It is an amenable number.

99442288793 is a deficient number, since it is larger than the sum of its proper divisors (1).

99442288793 is an equidigital number, since it uses as much as digits as its factorization.

99442288793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 65.

The spelling of 99442288793 in words is "ninety-nine billion, four hundred forty-two million, two hundred eighty-eight thousand, seven hundred ninety-three".