2659747090 has 64 divisors (see below), whose sum is σ = 6428056320. Its totient is φ = 765239040.

The previous prime is 2659747067. The next prime is 2659747127. The reversal of 2659747090 is 907479562.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122845 + ... + 142864.

It is an arithmetic number, because the mean of its divisors is an integer number (100438380).

Almost surely, 2^2659747090 is an apocalyptic number.

2659747090 is an abundant number, since it is smaller than the sum of its proper divisors (3768309230).

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

2659747090 is a wasteful number, since it uses less digits than its factorization.

2659747090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265747.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 2659747090 is about 51572.7359173430. The cubic root of 2659747090 is about 1385.5220681257.

The spelling of 2659747090 in words is "two billion, six hundred fifty-nine million, seven hundred forty-seven thousand, ninety".