2140868170705 has 16 divisors (see below), whose sum is σ = 2808723677184. Its totient is φ = 1553588023680.

The previous prime is 2140868170691. The next prime is 2140868170733. The reversal of 2140868170705 is 5070718680412.

It is not a de Polignac number, because 2140868170705 - 2⁵ = 2140868170673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42562257 + ... + 42612526.

It is an arithmetic number, because the mean of its divisors is an integer number (175545229824).

Almost surely, 2^{2140868170705} is an apocalyptic number.

It is an amenable number.

2140868170705 is a deficient number, since it is larger than the sum of its proper divisors (667855506479).

2140868170705 is a wasteful number, since it uses less digits than its factorization.

2140868170705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85175256.

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 2140868170705 in words is "two trillion, one hundred forty billion, eight hundred sixty-eight million, one hundred seventy thousand, seven hundred five".