2685982642 has 16 divisors (see below), whose sum is σ = 4804739712. Its totient is φ = 1101085920.

The previous prime is 2685982613. The next prime is 2685982661. The reversal of 2685982642 is 2462895862.

It is a self number, because there is not a number n which added to its sum of digits gives 2685982642.

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, 4170459 + ... + 4171102.

It is an arithmetic number, because the mean of its divisors is an integer number (300296232).

Almost surely, 2^2685982642 is an apocalyptic number.

2685982642 is a deficient number, since it is larger than the sum of its proper divisors (2118757070).

2685982642 is a wasteful number, since it uses less digits than its factorization.

2685982642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341593.

The product of its digits is 3317760, while the sum is 52.

The square root of 2685982642 is about 51826.4666169709. The cubic root of 2685982642 is about 1390.0627340870.

The spelling of 2685982642 in words is "two billion, six hundred eighty-five million, nine hundred eighty-two thousand, six hundred forty-two".