90410266489 has 3 divisors (see below), whose sum is σ = 90410567173. Its totient is φ = 90409965806.

The previous prime is 90410266481. The next prime is 90410266493. The reversal of 90410266489 is 98466201409.

The square root of 90410266489 is 300683.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98466201409 = 4409 ⋅22333001.

It is not a de Polignac number, because 90410266489 - 2³ = 90410266481 is a prime.

It is a super-2 number, since 2×90410266489² (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 (90410266481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 150342 + ... + 451024.

Almost surely, 2^90410266489 is an apocalyptic number.

90410266489 is the 300683-rd square number.

90410266489 is the 150342-nd centered octagonal number.

It is an amenable number.

90410266489 is a deficient number, since it is larger than the sum of its proper divisors (300684).

90410266489 is an frugal number, since it uses more digits than its factorization.

90410266489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601366 (or 300683 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 90410266489 by its sum of digits (49), we get a square (4430103057961 = 2104781²).

The spelling of 90410266489 in words is "ninety billion, four hundred ten million, two hundred sixty-six thousand, four hundred eighty-nine".