2681785063 has 4 divisors (see below), whose sum is σ = 2774260440. Its totient is φ = 2589309688.

The previous prime is 2681785021. The next prime is 2681785069. The reversal of 2681785063 is 3605871862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2681785063 - 2¹³ = 2681776871 is a prime.

It is a super-2 number, since 2×2681785063² = 14383942248259827938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681785069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46237645 + ... + 46237702.

It is an arithmetic number, because the mean of its divisors is an integer number (693565110).

Almost surely, 2^2681785063 is an apocalyptic number.

2681785063 is a deficient number, since it is larger than the sum of its proper divisors (92475377).

2681785063 is an equidigital number, since it uses as much as digits as its factorization.

2681785063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92475376.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2681785063 is about 51785.9543023009. The cubic root of 2681785063 is about 1389.3382394172.

The spelling of 2681785063 in words is "two billion, six hundred eighty-one million, seven hundred eighty-five thousand, sixty-three".