6912442247 has 2 divisors, whose sum is σ = 6912442248. Its totient is φ = 6912442246.

The previous prime is 6912442171. The next prime is 6912442283. The reversal of 6912442247 is 7422442196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6912442247 - 2²⁸ = 6644006791 is a prime.

It is a super-2 number, since 2×6912442247² = 95563715636220818018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6912445247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456221123 + 3456221124.

It is an arithmetic number, because the mean of its divisors is an integer number (3456221124).

Almost surely, 2^6912442247 is an apocalyptic number.

6912442247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6912442247 is an equidigital number, since it uses as much as digits as its factorization.

6912442247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 6912442247 is about 83141.0984231024. The cubic root of 6912442247 is about 1904.9218878469.

The spelling of 6912442247 in words is "six billion, nine hundred twelve million, four hundred forty-two thousand, two hundred forty-seven".