2659804642 has 16 divisors (see below), whose sum is σ = 4581482400. Its totient is φ = 1145370240.

The previous prime is 2659804633. The next prime is 2659804669. The reversal of 2659804642 is 2464089562.

2659804642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2659804592 and 2659804601.

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, 3181167 + ... + 3182002.

It is an arithmetic number, because the mean of its divisors is an integer number (286342650).

Almost surely, 2^2659804642 is an apocalyptic number.

2659804642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2659804642 is a deficient number, since it is larger than the sum of its proper divisors (1921677758).

2659804642 is a wasteful number, since it uses less digits than its factorization.

2659804642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363201.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 2659804642 is about 51573.2938835595. The cubic root of 2659804642 is about 1385.5320614306.

The spelling of 2659804642 in words is "two billion, six hundred fifty-nine million, eight hundred four thousand, six hundred forty-two".