90916482489 has 32 divisors (see below), whose sum is σ = 144606228480. Its totient is φ = 49678571712.

The previous prime is 90916482457. The next prime is 90916482497. The reversal of 90916482489 is 98428461909.

It is not a de Polignac number, because 90916482489 - 2⁵ = 90916482457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90916482289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1691572 + ... + 1744490.

It is an arithmetic number, because the mean of its divisors is an integer number (4518944640).

Almost surely, 2^90916482489 is an apocalyptic number.

It is an amenable number.

90916482489 is a deficient number, since it is larger than the sum of its proper divisors (53689745991).

90916482489 is a wasteful number, since it uses less digits than its factorization.

90916482489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56509.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 90916482489 in words is "ninety billion, nine hundred sixteen million, four hundred eighty-two thousand, four hundred eighty-nine".