6339149191 has 2 divisors, whose sum is σ = 6339149192. Its totient is φ = 6339149190.

The previous prime is 6339149183. The next prime is 6339149231. The reversal of 6339149191 is 1919419336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6339149191 - 2³ = 6339149183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6339149101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169574595 + 3169574596.

It is an arithmetic number, because the mean of its divisors is an integer number (3169574596).

Almost surely, 2^6339149191 is an apocalyptic number.

6339149191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6339149191 is an equidigital number, since it uses as much as digits as its factorization.

6339149191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 46.

The square root of 6339149191 is about 79618.7741113866. The cubic root of 6339149191 is about 1850.7325261755.

The spelling of 6339149191 in words is "six billion, three hundred thirty-nine million, one hundred forty-nine thousand, one hundred ninety-one".