90463169 has 2 divisors, whose sum is σ = 90463170. Its totient is φ = 90463168.

The previous prime is 90463141. The next prime is 90463181. The reversal of 90463169 is 96136409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 26142769 = 8020^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 90463169 - 2⁸ = 90462913 is a prime.

It is a super-2 number, since 2×90463169² = 16367169891045122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90463129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45231584 + 45231585.

It is an arithmetic number, because the mean of its divisors is an integer number (45231585).

Almost surely, 2^90463169 is an apocalyptic number.

It is an amenable number.

90463169 is a deficient number, since it is larger than the sum of its proper divisors (1).

90463169 is an equidigital number, since it uses as much as digits as its factorization.

90463169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90463169 is about 9511.2128038437. The cubic root of 90463169 is about 448.9079180815.

The spelling of 90463169 in words is "ninety million, four hundred sixty-three thousand, one hundred sixty-nine".