89790942696029 has 2 divisors, whose sum is σ = 89790942696030. Its totient is φ = 89790942696028.

The previous prime is 89790942695983. The next prime is 89790942696101. The reversal of 89790942696029 is 92069624909798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88831567502500 + 959375193529 = 9425050^2 + 979477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89790942696029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89790942696629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44895471348014 + 44895471348015.

It is an arithmetic number, because the mean of its divisors is an integer number (44895471348015).

Almost surely, 2^{89790942696029} is an apocalyptic number.

It is an amenable number.

89790942696029 is a deficient number, since it is larger than the sum of its proper divisors (1).

89790942696029 is an equidigital number, since it uses as much as digits as its factorization.

89790942696029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1904684544, while the sum is 80.

The spelling of 89790942696029 in words is "eighty-nine trillion, seven hundred ninety billion, nine hundred forty-two million, six hundred ninety-six thousand, twenty-nine".