2609086290 has 16 divisors (see below), whose sum is σ = 6261807168. Its totient is φ = 695756336.

The previous prime is 2609086283. The next prime is 2609086301. The reversal of 2609086290 is 926809062.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43484742 + ... + 43484801.

It is an arithmetic number, because the mean of its divisors is an integer number (391362948).

Almost surely, 2^2609086290 is an apocalyptic number.

2609086290 is an abundant number, since it is smaller than the sum of its proper divisors (3652720878).

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

2609086290 is a wasteful number, since it uses less digits than its factorization.

2609086290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86969553.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2609086290 is about 51079.2158318821. The cubic root of 2609086290 is about 1376.6688347660.

The spelling of 2609086290 in words is "two billion, six hundred nine million, eighty-six thousand, two hundred ninety".