2698745864 has 32 divisors (see below), whose sum is σ = 5338264800. Its totient is φ = 1275523200.

The previous prime is 2698745837. The next prime is 2698745867. The reversal of 2698745864 is 4685478962.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2698745867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50039 + ... + 88889.

It is an arithmetic number, because the mean of its divisors is an integer number (166820775).

Almost surely, 2^2698745864 is an apocalyptic number.

It is an amenable number.

2698745864 is a deficient number, since it is larger than the sum of its proper divisors (2639518936).

2698745864 is a wasteful number, since it uses less digits than its factorization.

2698745864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39333 (or 39329 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The square root of 2698745864 is about 51949.4548960814. The cubic root of 2698745864 is about 1392.2610172990.

The spelling of 2698745864 in words is "two billion, six hundred ninety-eight million, seven hundred forty-five thousand, eight hundred sixty-four".