2659856290 has 128 divisors (see below), whose sum is σ = 6061547520. Its totient is φ = 818028288.

The previous prime is 2659856281. The next prime is 2659856299. The reversal of 2659856290 is 926589562.

It is a happy number.

2659856290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2659856281) and next prime (2659856299).

It is not an unprimeable number, because it can be changed into a prime (2659856299) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5744599 + ... + 5745061.

It is an arithmetic number, because the mean of its divisors is an integer number (47355840).

Almost surely, 2^2659856290 is an apocalyptic number.

2659856290 is an abundant number, since it is smaller than the sum of its proper divisors (3401691230).

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

2659856290 is a wasteful number, since it uses less digits than its factorization.

2659856290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The square root of 2659856290 is about 51573.7946054001. The cubic root of 2659856290 is about 1385.5410294447.

The spelling of 2659856290 in words is "two billion, six hundred fifty-nine million, eight hundred fifty-six thousand, two hundred ninety".