2382387681 has 8 divisors (see below), whose sum is σ = 3177385920. Its totient is φ = 1587823952.

The previous prime is 2382387643. The next prime is 2382387691. The reversal of 2382387681 is 1867832832.

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 2382387681 - 2⁶ = 2382387617 is a prime.

It is a super-2 number, since 2×2382387681² = 11351542125161115522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2382387681.

It is not an unprimeable number, because it can be changed into a prime (2382387691) 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, 95610 + ... + 117923.

It is an arithmetic number, because the mean of its divisors is an integer number (397173240).

Almost surely, 2^2382387681 is an apocalyptic number.

It is an amenable number.

2382387681 is a deficient number, since it is larger than the sum of its proper divisors (794998239).

2382387681 is a wasteful number, since it uses less digits than its factorization.

2382387681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217255.

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

The square root of 2382387681 is about 48809.7088805086. The cubic root of 2382387681 is about 1335.5827819280.

The spelling of 2382387681 in words is "two billion, three hundred eighty-two million, three hundred eighty-seven thousand, six hundred eighty-one".