6198449143 has 2 divisors, whose sum is σ = 6198449144. Its totient is φ = 6198449142.

The previous prime is 6198449141. The next prime is 6198449177. The reversal of 6198449143 is 3419448916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6198449143 - 2¹ = 6198449141 is a prime.

Together with 6198449141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6198449141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099224571 + 3099224572.

It is an arithmetic number, because the mean of its divisors is an integer number (3099224572).

Almost surely, 2^6198449143 is an apocalyptic number.

6198449143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198449143 is an equidigital number, since it uses as much as digits as its factorization.

6198449143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 6198449143 is about 78730.2301724058. The cubic root of 6198449143 is about 1836.9373617172.

The spelling of 6198449143 in words is "six billion, one hundred ninety-eight million, four hundred forty-nine thousand, one hundred forty-three".