89391509299 has 2 divisors, whose sum is σ = 89391509300. Its totient is φ = 89391509298.

The previous prime is 89391509281. The next prime is 89391509341. The reversal of 89391509299 is 99290519398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89391509299 - 2⁵ = 89391509267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89391509299.

It is not a weakly prime, because it can be changed into another prime (89391509899) 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, 44695754649 + 44695754650.

It is an arithmetic number, because the mean of its divisors is an integer number (44695754650).

Almost surely, 2^89391509299 is an apocalyptic number.

89391509299 is a deficient number, since it is larger than the sum of its proper divisors (1).

89391509299 is an equidigital number, since it uses as much as digits as its factorization.

89391509299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14171760, while the sum is 64.

The spelling of 89391509299 in words is "eighty-nine billion, three hundred ninety-one million, five hundred nine thousand, two hundred ninety-nine".