4512243971 has 4 divisors (see below), whose sum is σ = 4622298744. Its totient is φ = 4402189200.

The previous prime is 4512243961. The next prime is 4512243973. The reversal of 4512243971 is 1793422154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1793422154 = 2 ⋅896711077.

It is a cyclic number.

It is not a de Polignac number, because 4512243971 - 2¹⁰ = 4512242947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4512243973) 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, 55027325 + ... + 55027406.

It is an arithmetic number, because the mean of its divisors is an integer number (1155574686).

Almost surely, 2^4512243971 is an apocalyptic number.

4512243971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4512243971 is a deficient number, since it is larger than the sum of its proper divisors (110054773).

4512243971 is a wasteful number, since it uses less digits than its factorization.

4512243971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110054772.

The product of its digits is 60480, while the sum is 38.

The square root of 4512243971 is about 67173.2385031420. The cubic root of 4512243971 is about 1652.4596277643.

It can be divided in two parts, 451 and 2243971, that added together give a palindrome (2244422).

The spelling of 4512243971 in words is "four billion, five hundred twelve million, two hundred forty-three thousand, nine hundred seventy-one".