2068657290 has 96 divisors (see below), whose sum is σ = 6358884480. Its totient is φ = 456527232.

The previous prime is 2068657273. The next prime is 2068657303. The reversal of 2068657290 is 927568602.

2068657290 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38344 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (66238380).

Almost surely, 2^2068657290 is an apocalyptic number.

2068657290 is an abundant number, since it is smaller than the sum of its proper divisors (4290227190).

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

2068657290 is a wasteful number, since it uses less digits than its factorization.

2068657290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113276 (or 113273 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2068657290 is about 45482.4943247399. The cubic root of 2068657290 is about 1274.1762799416.

The spelling of 2068657290 in words is "two billion, sixty-eight million, six hundred fifty-seven thousand, two hundred ninety".