5243936965 has 8 divisors (see below), whose sum is σ = 6293386008. Its totient is φ = 4194708480.

The previous prime is 5243936959. The next prime is 5243936981. The reversal of 5243936965 is 5696393425.

It can be written as a sum of positive squares in 4 ways, for example, as 449482401 + 4794454564 = 21201^2 + 69242^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-5243936965 is a prime.

It is a super-2 number, since 2×5243936965² = 54997749785786822450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 102445.

It is an arithmetic number, because the mean of its divisors is an integer number (786673251).

Almost surely, 2^5243936965 is an apocalyptic number.

It is an amenable number.

5243936965 is a deficient number, since it is larger than the sum of its proper divisors (1049449043).

5243936965 is a wasteful number, since it uses less digits than its factorization.

5243936965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110279.

The product of its digits is 5248800, while the sum is 52.

The square root of 5243936965 is about 72415.0327280186. The cubic root of 5243936965 is about 1737.3440084927.

The spelling of 5243936965 in words is "five billion, two hundred forty-three million, nine hundred thirty-six thousand, nine hundred sixty-five".