2681916705 has 48 divisors (see below), whose sum is σ = 5074904016. Its totient is φ = 1302220800.

The previous prime is 2681916701. The next prime is 2681916799. The reversal of 2681916705 is 5076191862.

It can be written as a sum of positive squares in 8 ways, for example, as 585833616 + 2096083089 = 24204^2 + 45783^2 .

It is not a de Polignac number, because 2681916705 - 2² = 2681916701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2681916701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11305 + ... + 74105.

It is an arithmetic number, because the mean of its divisors is an integer number (105727167).

Almost surely, 2^2681916705 is an apocalyptic number.

It is an amenable number.

2681916705 is a deficient number, since it is larger than the sum of its proper divisors (2392987311).

2681916705 is a wasteful number, since it uses less digits than its factorization.

2681916705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62898 (or 62895 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2681916705 is about 51787.2253070195. The cubic root of 2681916705 is about 1389.3609720707.

The spelling of 2681916705 in words is "two billion, six hundred eighty-one million, nine hundred sixteen thousand, seven hundred five".