2698698680 has 32 divisors (see below), whose sum is σ = 6073585200. Its totient is φ = 1079210496.

The previous prime is 2698698671. The next prime is 2698698703. The reversal of 2698698680 is 868968962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259664 + ... + 269856.

Almost surely, 2^2698698680 is an apocalyptic number.

2698698680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2698698680 is an abundant number, since it is smaller than the sum of its proper divisors (3374886520).

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

2698698680 is a wasteful number, since it uses less digits than its factorization.

2698698680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16823 (or 16819 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 62.

The square root of 2698698680 is about 51949.0007603611. Note that the first 3 decimals coincide. The cubic root of 2698698680 is about 1392.2529033046.

The spelling of 2698698680 in words is "two billion, six hundred ninety-eight million, six hundred ninety-eight thousand, six hundred eighty".