89531037361 has 2 divisors, whose sum is σ = 89531037362. Its totient is φ = 89531037360.

The previous prime is 89531037341. The next prime is 89531037487. The reversal of 89531037361 is 16373013598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64798757136 + 24732280225 = 254556^2 + 157265^2 .

It is a cyclic number.

It is not a de Polignac number, because 89531037361 - 2⁵ = 89531037329 is a prime.

It is not a weakly prime, because it can be changed into another prime (89531037301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44765518680 + 44765518681.

It is an arithmetic number, because the mean of its divisors is an integer number (44765518681).

Almost surely, 2^89531037361 is an apocalyptic number.

It is an amenable number.

89531037361 is a deficient number, since it is larger than the sum of its proper divisors (1).

89531037361 is an equidigital number, since it uses as much as digits as its factorization.

89531037361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 89531037361 in words is "eighty-nine billion, five hundred thirty-one million, thirty-seven thousand, three hundred sixty-one".