6847062149 has 2 divisors, whose sum is σ = 6847062150. Its totient is φ = 6847062148.

The previous prime is 6847062097. The next prime is 6847062161. The reversal of 6847062149 is 9412607486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5669337025 + 1177725124 = 75295^2 + 34318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6847062149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6847062169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3423531074 + 3423531075.

It is an arithmetic number, because the mean of its divisors is an integer number (3423531075).

Almost surely, 2^6847062149 is an apocalyptic number.

It is an amenable number.

6847062149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6847062149 is an equidigital number, since it uses as much as digits as its factorization.

6847062149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 6847062149 is about 82746.9766758883. The cubic root of 6847062149 is about 1898.8970652346.

The spelling of 6847062149 in words is "six billion, eight hundred forty-seven million, sixty-two thousand, one hundred forty-nine".