90580843449 has 12 divisors (see below), whose sum is σ = 133881764016. Its totient is φ = 58982874552.

The previous prime is 90580843433. The next prime is 90580843459. The reversal of 90580843449 is 94434808509.

90580843449 is a `hidden beast` number, since 90 + 5 + 80 + 8 + 434 + 49 = 666.

It is not a de Polignac number, because 90580843449 - 2⁴ = 90580843433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90580843395 and 90580843404.

It is not an unprimeable number, because it can be changed into a prime (90580843459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117029127 + ... + 117029900.

It is an arithmetic number, because the mean of its divisors is an integer number (11156813668).

Almost surely, 2^90580843449 is an apocalyptic number.

It is an amenable number.

90580843449 is a deficient number, since it is larger than the sum of its proper divisors (43300920567).

90580843449 is a wasteful number, since it uses less digits than its factorization.

90580843449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234059076 (or 234059073 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 90580843449 in words is "ninety billion, five hundred eighty million, eight hundred forty-three thousand, four hundred forty-nine".