90731457741 has 32 divisors (see below), whose sum is σ = 131854117248. Its totient is φ = 55279411200.

The previous prime is 90731457737. The next prime is 90731457749. The reversal of 90731457741 is 14775413709.

It is not a de Polignac number, because 90731457741 - 2² = 90731457737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90731457749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89166 + ... + 435216.

It is an arithmetic number, because the mean of its divisors is an integer number (4120441164).

Almost surely, 2^90731457741 is an apocalyptic number.

It is an amenable number.

90731457741 is a deficient number, since it is larger than the sum of its proper divisors (41122659507).

90731457741 is a wasteful number, since it uses less digits than its factorization.

90731457741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346221.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 90731457741 in words is "ninety billion, seven hundred thirty-one million, four hundred fifty-seven thousand, seven hundred forty-one".