8493997122 has 90 divisors (see below), whose sum is σ = 20646598203. Its totient is φ = 2608845408.

The previous prime is 8493997091. The next prime is 8493997199. The reversal of 8493997122 is 2217993948.

It can be written as a sum of positive squares in 5 ways, for example, as 68409441 + 8425587681 = 8271^2 + 91791^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=65169.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 15249268 + ... + 15249824.

Almost surely, 2^8493997122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8493997122

8493997122 is an abundant number, since it is smaller than the sum of its proper divisors (12152601081).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8493997122 is an equidigital number, since it uses as much as digits as its factorization.

8493997122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 575 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 8493997122 is about 92162.8836462922. The cubic root of 8493997122 is about 2040.3470127676.

The spelling of 8493997122 in words is "eight billion, four hundred ninety-three million, nine hundred ninety-seven thousand, one hundred twenty-two".