6244685609 has 4 divisors (see below), whose sum is σ = 6282079104. Its totient is φ = 6207292116.

The previous prime is 6244685591. The next prime is 6244685651. The reversal of 6244685609 is 9065864426.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9065864426 = 2 ⋅4532932213.

It is a cyclic number.

It is not a de Polignac number, because 6244685609 - 2¹⁶ = 6244620073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6244685659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18696497 + ... + 18696830.

It is an arithmetic number, because the mean of its divisors is an integer number (1570519776).

Almost surely, 2^6244685609 is an apocalyptic number.

It is an amenable number.

6244685609 is a deficient number, since it is larger than the sum of its proper divisors (37393495).

6244685609 is a wasteful number, since it uses less digits than its factorization.

6244685609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37393494.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 6244685609 is about 79023.3231963830. The cubic root of 6244685609 is about 1841.4935110363.

The spelling of 6244685609 in words is "six billion, two hundred forty-four million, six hundred eighty-five thousand, six hundred nine".