6013447861 has 2 divisors, whose sum is σ = 6013447862. Its totient is φ = 6013447860.

The previous prime is 6013447831. The next prime is 6013447871. The reversal of 6013447861 is 1687443106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3960814225 + 2052633636 = 62935^2 + 45306^2 .

It is a cyclic number.

It is not a de Polignac number, because 6013447861 - 2⁷ = 6013447733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6013447831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3006723930 + 3006723931.

It is an arithmetic number, because the mean of its divisors is an integer number (3006723931).

Almost surely, 2^6013447861 is an apocalyptic number.

It is an amenable number.

6013447861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6013447861 is an equidigital number, since it uses as much as digits as its factorization.

6013447861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 6013447861 is about 77546.4239085208. The cubic root of 6013447861 is about 1818.4771567958.

The spelling of 6013447861 in words is "six billion, thirteen million, four hundred forty-seven thousand, eight hundred sixty-one".