90494746605 has 48 divisors (see below), whose sum is σ = 158004522624. Its totient is φ = 47912135040.

The previous prime is 90494746591. The next prime is 90494746637. The reversal of 90494746605 is 50664749409.

It is a happy number.

90494746605 is a `hidden beast` number, since 90 + 4 + 94 + 7 + 466 + 0 + 5 = 666.

It is not a de Polignac number, because 90494746605 - 2¹⁹ = 90494222317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3757512 + ... + 3781518.

It is an arithmetic number, because the mean of its divisors is an integer number (3291760888).

Almost surely, 2^90494746605 is an apocalyptic number.

It is an amenable number.

90494746605 is a deficient number, since it is larger than the sum of its proper divisors (67509776019).

90494746605 is a wasteful number, since it uses less digits than its factorization.

90494746605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626 (or 24623 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 90494746605 in words is "ninety billion, four hundred ninety-four million, seven hundred forty-six thousand, six hundred five".