2090173608 has 48 divisors (see below), whose sum is σ = 5856095700. Its totient is φ = 672698880.

The previous prime is 2090173597. The next prime is 2090173609. The reversal of 2090173608 is 8063710902.

It can be written as a sum of positive squares in 2 ways, for example, as 1895905764 + 194267844 = 43542^2 + 13938^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2090173609) 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, 498433 + ... + 502608.

Almost surely, 2^2090173608 is an apocalyptic number.

It is an amenable number.

2090173608 is an abundant number, since it is smaller than the sum of its proper divisors (3765922092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2090173608 is a wasteful number, since it uses less digits than its factorization.

2090173608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001082 (or 1001075 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2090173608 is about 45718.4165080113. The cubic root of 2090173608 is about 1278.5786648209.

The spelling of 2090173608 in words is "two billion, ninety million, one hundred seventy-three thousand, six hundred eight".