90084910543 has 4 divisors (see below), whose sum is σ = 94001645808. Its totient is φ = 86168175280.

The previous prime is 90084910537. The next prime is 90084910549. The reversal of 90084910543 is 34501948009.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34501948009 = 185747².

It is an interprime number because it is at equal distance from previous prime (90084910537) and next prime (90084910549).

It is a cyclic number.

It is not a de Polignac number, because 90084910543 - 2²⁵ = 90051356111 is a prime.

It is a super-2 number, since 2×90084910543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90084910543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90084910549) 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 3 ways as a sum of consecutive naturals, for example, 1958367598 + ... + 1958367643.

It is an arithmetic number, because the mean of its divisors is an integer number (23500411452).

Almost surely, 2^90084910543 is an apocalyptic number.

90084910543 is a deficient number, since it is larger than the sum of its proper divisors (3916735265).

90084910543 is a wasteful number, since it uses less digits than its factorization.

90084910543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916735264.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 90084910543 in words is "ninety billion, eighty-four million, nine hundred ten thousand, five hundred forty-three".