2681810463 has 8 divisors (see below), whose sum is σ = 3594275248. Its totient is φ = 1778609664.

The previous prime is 2681810449. The next prime is 2681810497. The reversal of 2681810463 is 3640181862.

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

It is not a de Polignac number, because 2681810463 - 2⁸ = 2681810207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681810413) 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, 2315320 + ... + 2316477.

It is an arithmetic number, because the mean of its divisors is an integer number (449284406).

Almost surely, 2^2681810463 is an apocalyptic number.

2681810463 is a deficient number, since it is larger than the sum of its proper divisors (912464785).

2681810463 is a wasteful number, since it uses less digits than its factorization.

2681810463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631993.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2681810463 is about 51786.1995419629. The cubic root of 2681810463 is about 1389.3426256847.

The spelling of 2681810463 in words is "two billion, six hundred eighty-one million, eight hundred ten thousand, four hundred sixty-three".