89736792913 has 2 divisors, whose sum is σ = 89736792914. Its totient is φ = 89736792912.

The previous prime is 89736792811. The next prime is 89736792917. The reversal of 89736792913 is 31929763798.

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., 85839038289 + 3897754624 = 292983^2 + 62432^2 .

It is a cyclic number.

It is not a de Polignac number, because 89736792913 - 2⁹ = 89736792401 is a prime.

It is not a weakly prime, because it can be changed into another prime (89736792917) 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, 44868396456 + 44868396457.

It is an arithmetic number, because the mean of its divisors is an integer number (44868396457).

Almost surely, 2^89736792913 is an apocalyptic number.

It is an amenable number.

89736792913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89736792913 is an equidigital number, since it uses as much as digits as its factorization.

89736792913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30862944, while the sum is 64.

The spelling of 89736792913 in words is "eighty-nine billion, seven hundred thirty-six million, seven hundred ninety-two thousand, nine hundred thirteen".