8845134993 has 12 divisors (see below), whose sum is σ = 12985754548. Its totient is φ = 5800088160.

The previous prime is 8845134979. The next prime is 8845135007. The reversal of 8845134993 is 3994315488.

8845134993 is a `hidden beast` number, since 8 + 84 + 513 + 49 + 9 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (8845134979) and next prime (8845135007).

It can be written as a sum of positive squares in 2 ways, for example, as 2113424784 + 6731710209 = 45972^2 + 82047^2 .

It is not a de Polignac number, because 8845134993 - 2⁶ = 8845134929 is a prime.

It is a super-2 number, since 2×8845134993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8845154993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8055130 + ... + 8056227.

Almost surely, 2^8845134993 is an apocalyptic number.

It is an amenable number.

8845134993 is a deficient number, since it is larger than the sum of its proper divisors (4140619555).

8845134993 is a wasteful number, since it uses less digits than its factorization.

8845134993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16111424 (or 16111421 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 8845134993 is about 94048.5778361374. The cubic root of 8845134993 is about 2068.0839070975.

The spelling of 8845134993 in words is "eight billion, eight hundred forty-five million, one hundred thirty-four thousand, nine hundred ninety-three".