6623192489 has 4 divisors (see below), whose sum is σ = 6648963924. Its totient is φ = 6597421056.

The previous prime is 6623192461. The next prime is 6623192497. The reversal of 6623192489 is 9842913266.

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 3697248025 + 2925944464 = 60805^2 + 54092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6623192489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623192789) 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, 12885332 + ... + 12885845.

It is an arithmetic number, because the mean of its divisors is an integer number (1662240981).

Almost surely, 2^6623192489 is an apocalyptic number.

It is an amenable number.

6623192489 is a deficient number, since it is larger than the sum of its proper divisors (25771435).

6623192489 is a wasteful number, since it uses less digits than its factorization.

6623192489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25771434.

The product of its digits is 1119744, while the sum is 50.

The square root of 6623192489 is about 81382.9987712421. The cubic root of 6623192489 is about 1877.9720558431.

The spelling of 6623192489 in words is "six billion, six hundred twenty-three million, one hundred ninety-two thousand, four hundred eighty-nine".