90845281763 has 2 divisors, whose sum is σ = 90845281764. Its totient is φ = 90845281762.

The previous prime is 90845281759. The next prime is 90845281823. The reversal of 90845281763 is 36718254809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90845281763 - 2² = 90845281759 is a prime.

It is not a weakly prime, because it can be changed into another prime (90845281363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45422640881 + 45422640882.

It is an arithmetic number, because the mean of its divisors is an integer number (45422640882).

It is a 1-persistent number, because it is pandigital, but 2⋅90845281763 = 181690563526 is not.

Almost surely, 2^90845281763 is an apocalyptic number.

90845281763 is a deficient number, since it is larger than the sum of its proper divisors (1).

90845281763 is an equidigital number, since it uses as much as digits as its factorization.

90845281763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 90845281763 in words is "ninety billion, eight hundred forty-five million, two hundred eighty-one thousand, seven hundred sixty-three".