2152112743 has 4 divisors (see below), whose sum is σ = 2347759368. Its totient is φ = 1956466120.

The previous prime is 2152112741. The next prime is 2152112759. The reversal of 2152112743 is 3472112512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2152112743 - 2¹ = 2152112741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152112741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97823296 + ... + 97823317.

It is an arithmetic number, because the mean of its divisors is an integer number (586939842).

Almost surely, 2^2152112743 is an apocalyptic number.

2152112743 is a deficient number, since it is larger than the sum of its proper divisors (195646625).

2152112743 is a wasteful number, since it uses less digits than its factorization.

2152112743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195646624.

The product of its digits is 3360, while the sum is 28.

The square root of 2152112743 is about 46390.8691770266. The cubic root of 2152112743 is about 1291.0855080009.

The spelling of 2152112743 in words is "two billion, one hundred fifty-two million, one hundred twelve thousand, seven hundred forty-three".