5726273449 has 4 divisors (see below), whose sum is σ = 6166756036. Its totient is φ = 5285790864.

The previous prime is 5726273437. The next prime is 5726273549. The reversal of 5726273449 is 9443726275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 737394025 + 4988879424 = 27155^2 + 70632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5726273449 is a prime.

It is a super-2 number, since 2×5726273449² = 65580415225444711202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5726273419) 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, 220241274 + ... + 220241299.

It is an arithmetic number, because the mean of its divisors is an integer number (1541689009).

Almost surely, 2^5726273449 is an apocalyptic number.

It is an amenable number.

5726273449 is a deficient number, since it is larger than the sum of its proper divisors (440482587).

5726273449 is a wasteful number, since it uses less digits than its factorization.

5726273449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440482586.

The product of its digits is 2540160, while the sum is 49.

The square root of 5726273449 is about 75672.1444720579. The cubic root of 5726273449 is about 1789.0563827929.

The spelling of 5726273449 in words is "five billion, seven hundred twenty-six million, two hundred seventy-three thousand, four hundred forty-nine".