6189849917 has 4 divisors (see below), whose sum is σ = 6357143196. Its totient is φ = 6022556640.

The previous prime is 6189849901. The next prime is 6189849931. The reversal of 6189849917 is 7199489816.

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 2579522521 + 3610327396 = 50789^2 + 60086^2 .

It is a cyclic number.

It is not a de Polignac number, because 6189849917 - 2⁴ = 6189849901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6189849917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6189849937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83646584 + ... + 83646657.

It is an arithmetic number, because the mean of its divisors is an integer number (1589285799).

Almost surely, 2^6189849917 is an apocalyptic number.

It is an amenable number.

6189849917 is a deficient number, since it is larger than the sum of its proper divisors (167293279).

6189849917 is a wasteful number, since it uses less digits than its factorization.

6189849917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167293278.

The product of its digits is 7838208, while the sum is 62.

The square root of 6189849917 is about 78675.5992477973. The cubic root of 6189849917 is about 1836.0874959094.

The spelling of 6189849917 in words is "six billion, one hundred eighty-nine million, eight hundred forty-nine thousand, nine hundred seventeen".