5254843749 has 4 divisors (see below), whose sum is σ = 7006458336. Its totient is φ = 3503229164.

The previous prime is 5254843721. The next prime is 5254843757. The reversal of 5254843749 is 9473484525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5254843749 - 2⁸ = 5254843493 is a prime.

It is a super-2 number, since 2×5254843749² = 55226765652808750002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5254843549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875807289 + ... + 875807294.

It is an arithmetic number, because the mean of its divisors is an integer number (1751614584).

Almost surely, 2^5254843749 is an apocalyptic number.

It is an amenable number.

5254843749 is a deficient number, since it is larger than the sum of its proper divisors (1751614587).

5254843749 is a wasteful number, since it uses less digits than its factorization.

5254843749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751614586.

The product of its digits is 4838400, while the sum is 51.

The square root of 5254843749 is about 72490.3010684878. The cubic root of 5254843749 is about 1738.5476661001.

The spelling of 5254843749 in words is "five billion, two hundred fifty-four million, eight hundred forty-three thousand, seven hundred forty-nine".