89929921733 has 2 divisors, whose sum is σ = 89929921734. Its totient is φ = 89929921732.

The previous prime is 89929921723. The next prime is 89929921849. The reversal of 89929921733 is 33712992998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67069086529 + 22860835204 = 258977^2 + 151198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89929921733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89929921723) 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, 44964960866 + 44964960867.

It is an arithmetic number, because the mean of its divisors is an integer number (44964960867).

Almost surely, 2^89929921733 is an apocalyptic number.

It is an amenable number.

89929921733 is a deficient number, since it is larger than the sum of its proper divisors (1).

89929921733 is an equidigital number, since it uses as much as digits as its factorization.

89929921733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 62.

The spelling of 89929921733 in words is "eighty-nine billion, nine hundred twenty-nine million, nine hundred twenty-one thousand, seven hundred thirty-three".