2628783742 has 16 divisors (see below), whose sum is σ = 4263425712. Its totient is φ = 1208448000.

The previous prime is 2628783721. The next prime is 2628783769. The reversal of 2628783742 is 2473878262.

2628783742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 194883 + ... + 207934.

It is an arithmetic number, because the mean of its divisors is an integer number (266464107).

Almost surely, 2^2628783742 is an apocalyptic number.

2628783742 is a deficient number, since it is larger than the sum of its proper divisors (1634641970).

2628783742 is a wasteful number, since it uses less digits than its factorization.

2628783742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403083.

The product of its digits is 1806336, while the sum is 49.

The square root of 2628783742 is about 51271.6660739633. Note that the first 3 decimals coincide. The cubic root of 2628783742 is about 1380.1245672754.

The spelling of 2628783742 in words is "two billion, six hundred twenty-eight million, seven hundred eighty-three thousand, seven hundred forty-two".