2143613775 has 12 divisors (see below), whose sum is σ = 3544108232. Its totient is φ = 1143260640.

The previous prime is 2143613743. The next prime is 2143613803. The reversal of 2143613775 is 5773163412.

It is not a de Polignac number, because 2143613775 - 2⁵ = 2143613743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14290684 + ... + 14290833.

Almost surely, 2^2143613775 is an apocalyptic number.

2143613775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2143613775 is a deficient number, since it is larger than the sum of its proper divisors (1400494457).

2143613775 is a wasteful number, since it uses less digits than its factorization.

2143613775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28581530 (or 28581525 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 2143613775 is about 46299.1768285355. The cubic root of 2143613775 is about 1289.3837119896.

The spelling of 2143613775 in words is "two billion, one hundred forty-three million, six hundred thirteen thousand, seven hundred seventy-five".