2681868510 has 48 divisors (see below), whose sum is σ = 6995209104. Its totient is φ = 712872576.

The previous prime is 2681868499. The next prime is 2681868593. The reversal of 2681868510 is 158681862.

2681868510 is a `hidden beast` number, since 2 + 68 + 18 + 68 + 510 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19432 + ... + 75771.

It is an arithmetic number, because the mean of its divisors is an integer number (145733523).

Almost surely, 2^2681868510 is an apocalyptic number.

2681868510 is an abundant number, since it is smaller than the sum of its proper divisors (4313340594).

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

2681868510 is a wasteful number, since it uses less digits than its factorization.

2681868510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95529 (or 95526 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 2681868510 is about 51786.7599874717. The cubic root of 2681868510 is about 1389.3526495834.

The spelling of 2681868510 in words is "two billion, six hundred eighty-one million, eight hundred sixty-eight thousand, five hundred ten".