6411000191 has 2 divisors, whose sum is σ = 6411000192. Its totient is φ = 6411000190.

The previous prime is 6411000187. The next prime is 6411000251. The reversal of 6411000191 is 1910001146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6411000191 - 2² = 6411000187 is a prime.

It is a super-2 number, since 2×6411000191² = 82201846898004072962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6411000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205500095 + 3205500096.

It is an arithmetic number, because the mean of its divisors is an integer number (3205500096).

Almost surely, 2^6411000191 is an apocalyptic number.

6411000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6411000191 is an equidigital number, since it uses as much as digits as its factorization.

6411000191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 6411000191 is about 80068.7216770694. The cubic root of 6411000191 is about 1857.6986405059.

The spelling of 6411000191 in words is "six billion, four hundred eleven million, one hundred ninety-one", and thus it is an aban number.