2142706645775 has 24 divisors (see below), whose sum is σ = 2687860882560. Its totient is φ = 1694335505760.

The previous prime is 2142706645759. The next prime is 2142706645861. The reversal of 2142706645775 is 5775466072412.

It is a happy number.

It is not a de Polignac number, because 2142706645775 - 2⁴ = 2142706645759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142706645775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569339 + ... + 2146988.

It is an arithmetic number, because the mean of its divisors is an integer number (111994203440).

Almost surely, 2^{2142706645775} is an apocalyptic number.

2142706645775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2142706645775 is a deficient number, since it is larger than the sum of its proper divisors (545154236785).

2142706645775 is a wasteful number, since it uses less digits than its factorization.

2142706645775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716703 (or 2716698 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 2142706645775 in words is "two trillion, one hundred forty-two billion, seven hundred six million, six hundred forty-five thousand, seven hundred seventy-five".