90959018800643 has 16 divisors (see below), whose sum is σ = 104326436422656. Its totient is φ = 77684936925120.

The previous prime is 90959018800621. The next prime is 90959018800667. The reversal of 90959018800643 is 34600881095909.

It is not a de Polignac number, because 90959018800643 - 2¹⁰ = 90959018799619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90959018850643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62227430 + ... + 63672372.

It is an arithmetic number, because the mean of its divisors is an integer number (6520402276416).

Almost surely, 2^{90959018800643} is an apocalyptic number.

90959018800643 is a deficient number, since it is larger than the sum of its proper divisors (13367417622013).

90959018800643 is a wasteful number, since it uses less digits than its factorization.

90959018800643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477234.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 90959018800643 in words is "ninety trillion, nine hundred fifty-nine billion, eighteen million, eight hundred thousand, six hundred forty-three".