6445179199 has 2 divisors, whose sum is σ = 6445179200. Its totient is φ = 6445179198.

The previous prime is 6445179197. The next prime is 6445179233. The reversal of 6445179199 is 9919715446.

6445179199 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6445179199 - 2¹ = 6445179197 is a prime.

Together with 6445179197, 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 (6445179193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222589599 + 3222589600.

It is an arithmetic number, because the mean of its divisors is an integer number (3222589600).

Almost surely, 2^6445179199 is an apocalyptic number.

6445179199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6445179199 is an equidigital number, since it uses as much as digits as its factorization.

6445179199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 6445179199 is about 80281.8734148625. The cubic root of 6445179199 is about 1860.9941114137.

The spelling of 6445179199 in words is "six billion, four hundred forty-five million, one hundred seventy-nine thousand, one hundred ninety-nine".