90605741913 has 8 divisors (see below), whose sum is σ = 134230728800. Its totient is φ = 60403827924.

The previous prime is 90605741887. The next prime is 90605741923. The reversal of 90605741913 is 31914750609.

90605741913 is a `hidden beast` number, since 9 + 0 + 60 + 574 + 1 + 9 + 13 = 666.

It is not a de Polignac number, because 90605741913 - 2⁸ = 90605741657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90605741923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677884083 + ... + 1677884136.

It is an arithmetic number, because the mean of its divisors is an integer number (16778841100).

Almost surely, 2^90605741913 is an apocalyptic number.

It is an amenable number.

90605741913 is a deficient number, since it is larger than the sum of its proper divisors (43624986887).

90605741913 is a wasteful number, since it uses less digits than its factorization.

90605741913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355768228 (or 3355768222 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 90605741913 in words is "ninety billion, six hundred five million, seven hundred forty-one thousand, nine hundred thirteen".