5268391409 has 16 divisors (see below), whose sum is σ = 5735594448. Its totient is φ = 4818972672.

The previous prime is 5268391363. The next prime is 5268391411. The reversal of 5268391409 is 9041938625.

It can be written as a sum of positive squares in 8 ways, for example, as 1436410000 + 3831981409 = 37900^2 + 61903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5268391409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5268391439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610247 + ... + 618819.

It is an arithmetic number, because the mean of its divisors is an integer number (358474653).

Almost surely, 2^5268391409 is an apocalyptic number.

It is an amenable number.

5268391409 is a deficient number, since it is larger than the sum of its proper divisors (467203039).

5268391409 is a wasteful number, since it uses less digits than its factorization.

5268391409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 5268391409 is about 72583.6855567420. The cubic root of 5268391409 is about 1740.0404501320.

The spelling of 5268391409 in words is "five billion, two hundred sixty-eight million, three hundred ninety-one thousand, four hundred nine".