2698668963 has 12 divisors (see below), whose sum is σ = 4003431328. Its totient is φ = 1750487760.

The previous prime is 2698668953. The next prime is 2698668989. The reversal of 2698668963 is 3698668962.

2698668963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2698668963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2698668963.

It is not an unprimeable number, because it can be changed into a prime (2698668953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4051723 + ... + 4052388.

Almost surely, 2^2698668963 is an apocalyptic number.

2698668963 is a deficient number, since it is larger than the sum of its proper divisors (1304762365).

2698668963 is a wasteful number, since it uses less digits than its factorization.

2698668963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8104154 (or 8104151 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The square root of 2698668963 is about 51948.7147386728. The cubic root of 2698668963 is about 1392.2477929735.

Subtracting 2698668963 from its reverse (3698668962), we obtain a palindrome (999999999).

The spelling of 2698668963 in words is "two billion, six hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred sixty-three".