2052749971 has 4 divisors (see below), whose sum is σ = 2118967744. Its totient is φ = 1986532200.

The previous prime is 2052749947. The next prime is 2052749989. The reversal of 2052749971 is 1799472502.

It is a happy number.

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 2052749971 - 2⁵ = 2052749939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052747971) 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, 33108840 + ... + 33108901.

It is an arithmetic number, because the mean of its divisors is an integer number (529741936).

Almost surely, 2^2052749971 is an apocalyptic number.

2052749971 is a deficient number, since it is larger than the sum of its proper divisors (66217773).

2052749971 is an equidigital number, since it uses as much as digits as its factorization.

2052749971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66217772.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 2052749971 is about 45307.2838625314. The cubic root of 2052749971 is about 1270.9018685471.

The spelling of 2052749971 in words is "two billion, fifty-two million, seven hundred forty-nine thousand, nine hundred seventy-one".