2688393974 has 16 divisors (see below), whose sum is σ = 4879774368. Its totient is φ = 1084394112.

The previous prime is 2688393973. The next prime is 2688393977. The reversal of 2688393974 is 4793938862.

2688393974 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 not an unprimeable number, because it can be changed into a prime (2688393973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647649 + ... + 5648124.

It is an arithmetic number, because the mean of its divisors is an integer number (304985898).

Almost surely, 2^2688393974 is an apocalyptic number.

2688393974 is a deficient number, since it is larger than the sum of its proper divisors (2191380394).

2688393974 is a wasteful number, since it uses less digits than its factorization.

2688393974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295799.

The product of its digits is 15676416, while the sum is 59.

The square root of 2688393974 is about 51849.7249173031. The cubic root of 2688393974 is about 1390.4785844040.

The spelling of 2688393974 in words is "two billion, six hundred eighty-eight million, three hundred ninety-three thousand, nine hundred seventy-four".