2090685489 has 8 divisors (see below), whose sum is σ = 2855570592. Its totient is φ = 1359795360.

The previous prime is 2090685469. The next prime is 2090685503. The reversal of 2090685489 is 9845860902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2090685489 - 2¹⁶ = 2090619953 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2090685419) 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, 8498599 + ... + 8498844.

It is an arithmetic number, because the mean of its divisors is an integer number (356946324).

Almost surely, 2^2090685489 is an apocalyptic number.

It is an amenable number.

2090685489 is a deficient number, since it is larger than the sum of its proper divisors (764885103).

2090685489 is a wasteful number, since it uses less digits than its factorization.

2090685489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16997487.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 2090685489 is about 45724.0143578842. The cubic root of 2090685489 is about 1278.6830304269.

The spelling of 2090685489 in words is "two billion, ninety million, six hundred eighty-five thousand, four hundred eighty-nine".