6772195091 has 2 divisors, whose sum is σ = 6772195092. Its totient is φ = 6772195090.

The previous prime is 6772195039. The next prime is 6772195103. The reversal of 6772195091 is 1905912776.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6772195091 is a prime.

It is not a weakly prime, because it can be changed into another prime (6772195291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386097545 + 3386097546.

It is an arithmetic number, because the mean of its divisors is an integer number (3386097546).

Almost surely, 2^6772195091 is an apocalyptic number.

6772195091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6772195091 is an equidigital number, since it uses as much as digits as its factorization.

6772195091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 47.

The square root of 6772195091 is about 82293.3477931236. The cubic root of 6772195091 is about 1891.9507206278.

The spelling of 6772195091 in words is "six billion, seven hundred seventy-two million, one hundred ninety-five thousand, ninety-one".