90436444634133 has 24 divisors (see below), whose sum is σ = 140682957262848. Its totient is φ = 55651597116192.

The previous prime is 90436444634111. The next prime is 90436444634143. The reversal of 90436444634133 is 33143644463409.

90436444634133 is a `hidden beast` number, since 9 + 0 + 4 + 3 + 6 + 44 + 463 + 4 + 133 = 666.

It is not a de Polignac number, because 90436444634133 - 2⁶ = 90436444634069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90436444634133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90436444634143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7013685 + ... + 15167882.

It is an arithmetic number, because the mean of its divisors is an integer number (5861789885952).

Almost surely, 2^{90436444634133} is an apocalyptic number.

It is an amenable number.

90436444634133 is a deficient number, since it is larger than the sum of its proper divisors (50246512628715).

90436444634133 is a wasteful number, since it uses less digits than its factorization.

90436444634133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22216433 (or 22216430 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 54.

The spelling of 90436444634133 in words is "ninety trillion, four hundred thirty-six billion, four hundred forty-four million, six hundred thirty-four thousand, one hundred thirty-three".