6811952291 has 2 divisors, whose sum is σ = 6811952292. Its totient is φ = 6811952290.

The previous prime is 6811952281. The next prime is 6811952311. The reversal of 6811952291 is 1922591186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6811952291 - 2⁶ = 6811952227 is a prime.

It is not a weakly prime, because it can be changed into another prime (6811952261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405976145 + 3405976146.

It is an arithmetic number, because the mean of its divisors is an integer number (3405976146).

Almost surely, 2^6811952291 is an apocalyptic number.

6811952291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811952291 is an equidigital number, since it uses as much as digits as its factorization.

6811952291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 44.

The square root of 6811952291 is about 82534.5521039522. The cubic root of 6811952291 is about 1895.6458271718.

The spelling of 6811952291 in words is "six billion, eight hundred eleven million, nine hundred fifty-two thousand, two hundred ninety-one".