8731490941361 has 2 divisors, whose sum is σ = 8731490941362. Its totient is φ = 8731490941360.

The previous prime is 8731490941357. The next prime is 8731490941463. The reversal of 8731490941361 is 1631490941378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4992739989136 + 3738750952225 = 2234444^2 + 1933585^2 .

It is a cyclic number.

It is not a de Polignac number, because 8731490941361 - 2² = 8731490941357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8731490941297 and 8731490941306.

It is not a weakly prime, because it can be changed into another prime (8731490941301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365745470680 + 4365745470681.

It is an arithmetic number, because the mean of its divisors is an integer number (4365745470681).

Almost surely, 2^{8731490941361} is an apocalyptic number.

It is an amenable number.

8731490941361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8731490941361 is an equidigital number, since it uses as much as digits as its factorization.

8731490941361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 8731490941361 in words is "eight trillion, seven hundred thirty-one billion, four hundred ninety million, nine hundred forty-one thousand, three hundred sixty-one".