90745838841 has 8 divisors (see below), whose sum is σ = 138279373504. Its totient is φ = 51854765040.

The previous prime is 90745838741. The next prime is 90745838923. The reversal of 90745838841 is 14883854709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90745838841 - 2¹¹ = 90745836793 is a prime.

It is the 301241-st Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90745838341) by changing a digit.

It is a nontrivial repunit in base 301240.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160615190 + ... + 2160615231.

It is an arithmetic number, because the mean of its divisors is an integer number (17284921688).

Almost surely, 2^90745838841 is an apocalyptic number.

It is an amenable number.

90745838841 is a deficient number, since it is larger than the sum of its proper divisors (47533534663).

90745838841 is a wasteful number, since it uses less digits than its factorization.

90745838841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321230431.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 90745838841 in words is "ninety billion, seven hundred forty-five million, eight hundred thirty-eight thousand, eight hundred forty-one".