2133854705 has 8 divisors (see below), whose sum is σ = 2711250792. Its totient is φ = 1606667008.

The previous prime is 2133854687. The next prime is 2133854731. The reversal of 2133854705 is 5074583312.

It can be written as a sum of positive squares in 4 ways, for example, as 443987041 + 1689867664 = 21071^2 + 41108^2 .

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

It is not a de Polignac number, because 2133854705 - 2⁸ = 2133854449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12552002 + ... + 12552171.

It is an arithmetic number, because the mean of its divisors is an integer number (338906349).

Almost surely, 2^2133854705 is an apocalyptic number.

It is an amenable number.

2133854705 is a deficient number, since it is larger than the sum of its proper divisors (577396087).

2133854705 is a wasteful number, since it uses less digits than its factorization.

2133854705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104195.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2133854705 is about 46193.6652042247. The cubic root of 2133854705 is about 1287.4240415175.

The spelling of 2133854705 in words is "two billion, one hundred thirty-three million, eight hundred fifty-four thousand, seven hundred five".