5449278529 has 8 divisors (see below), whose sum is σ = 5519745000. Its totient is φ = 5379184512.

The previous prime is 5449278521. The next prime is 5449278533. The reversal of 5449278529 is 9258729445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25250625 + 5424027904 = 5025^2 + 73648^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5449278529 - 2³ = 5449278521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5449278529.

It is not an unprimeable number, because it can be changed into a prime (5449278521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63604 + ... + 122245.

It is an arithmetic number, because the mean of its divisors is an integer number (689968125).

Almost surely, 2^5449278529 is an apocalyptic number.

It is an amenable number.

5449278529 is a deficient number, since it is larger than the sum of its proper divisors (70466471).

5449278529 is a wasteful number, since it uses less digits than its factorization.

5449278529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186227.

The product of its digits is 7257600, while the sum is 55.

The square root of 5449278529 is about 73819.2287212485. The cubic root of 5449278529 is about 1759.7312056148.

The spelling of 5449278529 in words is "five billion, four hundred forty-nine million, two hundred seventy-eight thousand, five hundred twenty-nine".