2688319948 has 12 divisors (see below), whose sum is σ = 4909106160. Its totient is φ = 1285718192.

The previous prime is 2688319927. The next prime is 2688319957. The reversal of 2688319948 is 8499138862.

It is a junction number, because it is equal to n+sod(n) for n = 2688319892 and 2688319901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14610343 + ... + 14610526.

It is an arithmetic number, because the mean of its divisors is an integer number (409092180).

Almost surely, 2^2688319948 is an apocalyptic number.

It is an amenable number.

2688319948 is a deficient number, since it is larger than the sum of its proper divisors (2220786212).

2688319948 is a wasteful number, since it uses less digits than its factorization.

2688319948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29220896 (or 29220894 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 2688319948 is about 51849.0110609643. The cubic root of 2688319948 is about 1390.4658218261.

The spelling of 2688319948 in words is "two billion, six hundred eighty-eight million, three hundred nineteen thousand, nine hundred forty-eight".