6244744069 has 4 divisors (see below), whose sum is σ = 6247498540. Its totient is φ = 6241989600.

The previous prime is 6244744063. The next prime is 6244744073. The reversal of 6244744069 is 9604474426.

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 1279850625 + 4964893444 = 35775^2 + 70462^2 .

It is a cyclic number.

It is not a de Polignac number, because 6244744069 - 2³ = 6244744061 is a prime.

It is a super-2 number, since 2×6244744069² = 77993656974621353522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244744061) 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, 1373832 + ... + 1378369.

It is an arithmetic number, because the mean of its divisors is an integer number (1561874635).

Almost surely, 2^6244744069 is an apocalyptic number.

It is an amenable number.

6244744069 is a deficient number, since it is larger than the sum of its proper divisors (2754471).

6244744069 is a wasteful number, since it uses less digits than its factorization.

6244744069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754470.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The square root of 6244744069 is about 79023.6930863143. The cubic root of 6244744069 is about 1841.4992574358.

The spelling of 6244744069 in words is "six billion, two hundred forty-four million, seven hundred forty-four thousand, sixty-nine".