2681385992 has 16 divisors (see below), whose sum is σ = 5046719040. Its totient is φ = 1335594256.

The previous prime is 2681385953. The next prime is 2681386007. The reversal of 2681385992 is 2995831862.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635108 + ... + 639315.

It is an arithmetic number, because the mean of its divisors is an integer number (315419940).

Almost surely, 2^2681385992 is an apocalyptic number.

It is an amenable number.

2681385992 is a deficient number, since it is larger than the sum of its proper divisors (2365333048).

2681385992 is a wasteful number, since it uses less digits than its factorization.

2681385992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274692 (or 1274688 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 2681385992 is about 51782.1010774959. The cubic root of 2681385992 is about 1389.2693211294.

The spelling of 2681385992 in words is "two billion, six hundred eighty-one million, three hundred eighty-five thousand, nine hundred ninety-two".