8890513361 has 2 divisors, whose sum is σ = 8890513362. Its totient is φ = 8890513360.

The previous prime is 8890513319. The next prime is 8890513363. The reversal of 8890513361 is 1633150988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5972352961 + 2918160400 = 77281^2 + 54020^2 .

It is a cyclic number.

It is not a de Polignac number, because 8890513361 - 2²⁶ = 8823404497 is a prime.

Together with 8890513363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8890513363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4445256680 + 4445256681.

It is an arithmetic number, because the mean of its divisors is an integer number (4445256681).

Almost surely, 2^8890513361 is an apocalyptic number.

It is an amenable number.

8890513361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8890513361 is an equidigital number, since it uses as much as digits as its factorization.

8890513361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 8890513361 is about 94289.5188289770. The cubic root of 8890513361 is about 2071.6145199298.

The spelling of 8890513361 in words is "eight billion, eight hundred ninety million, five hundred thirteen thousand, three hundred sixty-one".