5279039649 has 99 divisors (see below), whose sum is σ = 8963499027. Its totient is φ = 3107394576.

The previous prime is 5279039617. The next prime is 5279039651. The reversal of 5279039649 is 9469309725.

The square root of 5279039649 is 72657.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 780923025 + 4498116624 = 27945^2 + 67068^2 .

It is not a de Polignac number, because 5279039649 - 2⁵ = 5279039617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5279039595 and 5279039604.

It is not an unprimeable number, because it can be changed into a prime (5279039149) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 229523452 + ... + 229523474.

Almost surely, 2^5279039649 is an apocalyptic number.

5279039649 is the 72657-th square number.

5279039649 is the 36329-th centered octagonal number.

It is an amenable number.

5279039649 is a deficient number, since it is larger than the sum of its proper divisors (3684459378).

5279039649 is an frugal number, since it uses more digits than its factorization.

5279039649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The cubic root of 5279039649 is about 1741.2119588511.

The spelling of 5279039649 in words is "five billion, two hundred seventy-nine million, thirty-nine thousand, six hundred forty-nine".