2681382387 has 8 divisors (see below), whose sum is σ = 3576163536. Its totient is φ = 1787094752.

The previous prime is 2681382367. The next prime is 2681382401. The reversal of 2681382387 is 7832831862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2681382387 - 2⁸ = 2681382131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2681382367) 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, 110508 + ... + 132569.

It is an arithmetic number, because the mean of its divisors is an integer number (447020442).

Almost surely, 2^2681382387 is an apocalyptic number.

2681382387 is a deficient number, since it is larger than the sum of its proper divisors (894781149).

2681382387 is a wasteful number, since it uses less digits than its factorization.

2681382387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246757.

The product of its digits is 774144, while the sum is 48.

The square root of 2681382387 is about 51782.0662681589. The cubic root of 2681382387 is about 1389.2686985262.

The spelling of 2681382387 in words is "two billion, six hundred eighty-one million, three hundred eighty-two thousand, three hundred eighty-seven".