5281674449 has 4 divisors (see below), whose sum is σ = 5281881780. Its totient is φ = 5281467120.

The previous prime is 5281674443. The next prime is 5281674467. The reversal of 5281674449 is 9444761825.

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 2665863424 + 2615811025 = 51632^2 + 51145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281674449 - 2⁸ = 5281674193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5281674397 and 5281674406.

It is not an unprimeable number, because it can be changed into a prime (5281674443) 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, 59054 + ... + 118535.

It is an arithmetic number, because the mean of its divisors is an integer number (1320470445).

Almost surely, 2^5281674449 is an apocalyptic number.

It is an amenable number.

5281674449 is a deficient number, since it is larger than the sum of its proper divisors (207331).

5281674449 is a wasteful number, since it uses less digits than its factorization.

5281674449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207330.

The product of its digits is 1935360, while the sum is 50.

The square root of 5281674449 is about 72675.1295079685. The cubic root of 5281674449 is about 1741.5015937423.

The spelling of 5281674449 in words is "five billion, two hundred eighty-one million, six hundred seventy-four thousand, four hundred forty-nine".