2698668988 has 12 divisors (see below), whose sum is σ = 4723760160. Its totient is φ = 1349023232.

The previous prime is 2698668953. The next prime is 2698668989. The reversal of 2698668988 is 8898668962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698668989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57733 + ... + 93436.

It is an arithmetic number, because the mean of its divisors is an integer number (393646680).

Almost surely, 2^2698668988 is an apocalyptic number.

It is an amenable number.

2698668988 is a deficient number, since it is larger than the sum of its proper divisors (2025091172).

2698668988 is a wasteful number, since it uses less digits than its factorization.

2698668988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155636 (or 155634 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 70.

The square root of 2698668988 is about 51948.7149792947. The cubic root of 2698668988 is about 1392.2477972727.

The spelling of 2698668988 in words is "two billion, six hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred eighty-eight".