89584692493 has 2 divisors, whose sum is σ = 89584692494. Its totient is φ = 89584692492.

The previous prime is 89584692473. The next prime is 89584692529. The reversal of 89584692493 is 39429648598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86349585609 + 3235106884 = 293853^2 + 56878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89584692493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89584692443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44792346246 + 44792346247.

It is an arithmetic number, because the mean of its divisors is an integer number (44792346247).

Almost surely, 2^89584692493 is an apocalyptic number.

It is an amenable number.

89584692493 is a deficient number, since it is larger than the sum of its proper divisors (1).

89584692493 is an equidigital number, since it uses as much as digits as its factorization.

89584692493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 67.

The spelling of 89584692493 in words is "eighty-nine billion, five hundred eighty-four million, six hundred ninety-two thousand, four hundred ninety-three".