8898373681 has 2 divisors, whose sum is σ = 8898373682. Its totient is φ = 8898373680.

The previous prime is 8898373661. The next prime is 8898373753. The reversal of 8898373681 is 1863738988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7261766656 + 1636607025 = 85216^2 + 40455^2 .

It is a cyclic number.

It is not a de Polignac number, because 8898373681 - 2¹⁹ = 8897849393 is a prime.

It is a super-2 number, since 2×8898373681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8898373651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4449186840 + 4449186841.

It is an arithmetic number, because the mean of its divisors is an integer number (4449186841).

Almost surely, 2^8898373681 is an apocalyptic number.

It is an amenable number.

8898373681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8898373681 is an equidigital number, since it uses as much as digits as its factorization.

8898373681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 61.

The square root of 8898373681 is about 94331.1914533046. The cubic root of 8898373681 is about 2072.2248617569.

The spelling of 8898373681 in words is "eight billion, eight hundred ninety-eight million, three hundred seventy-three thousand, six hundred eighty-one".