2698668894 has 32 divisors (see below), whose sum is σ = 5456004480. Its totient is φ = 889796000.

The previous prime is 2698668883. The next prime is 2698668901. The reversal of 2698668894 is 4988668962.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1096237 + ... + 1098695.

It is an arithmetic number, because the mean of its divisors is an integer number (170500140).

Almost surely, 2^2698668894 is an apocalyptic number.

2698668894 is an abundant number, since it is smaller than the sum of its proper divisors (2757335586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2698668894 is a wasteful number, since it uses less digits than its factorization.

2698668894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376.

The product of its digits is 71663616, while the sum is 66.

The square root of 2698668894 is about 51948.7140745563. The cubic root of 2698668894 is about 1392.2477811078.

The spelling of 2698668894 in words is "two billion, six hundred ninety-eight million, six hundred sixty-eight thousand, eight hundred ninety-four".