90458382169 has 7 divisors (see below), whose sum is σ = 91828963717. Its totient is φ = 89108257062.

The previous prime is 90458382167. The next prime is 90458382251. The reversal of 90458382169 is 96128385409.

The square root of 90458382169 is 300763.

The cubic root of 90458382169 is 4489.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It is not a de Polignac number, because 90458382169 - 2¹ = 90458382167 is a prime.

It is a super-2 number, since 2×90458382169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90458382167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 1350125074 + ... + 1350125140.

Almost surely, 2^90458382169 is an apocalyptic number.

90458382169 is the 300763-rd square number.

90458382169 is the 150382-nd centered octagonal number.

It is an amenable number.

90458382169 is a deficient number, since it is larger than the sum of its proper divisors (1370581548).

90458382169 is an frugal number, since it uses more digits than its factorization.

90458382169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 90458382169 in words is "ninety billion, four hundred fifty-eight million, three hundred eighty-two thousand, one hundred sixty-nine".