7282813861 has 2 divisors, whose sum is σ = 7282813862. Its totient is φ = 7282813860.

The previous prime is 7282813801. The next prime is 7282813873. The reversal of 7282813861 is 1683182827.

7282813861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7088629636 + 194184225 = 84194^2 + 13935^2 .

It is a cyclic number.

It is not a de Polignac number, because 7282813861 - 2²⁹ = 6745942949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7282813801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641406930 + 3641406931.

It is an arithmetic number, because the mean of its divisors is an integer number (3641406931).

Almost surely, 2^7282813861 is an apocalyptic number.

It is an amenable number.

7282813861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7282813861 is an equidigital number, since it uses as much as digits as its factorization.

7282813861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 46.

The square root of 7282813861 is about 85339.4039175339. The cubic root of 7282813861 is about 1938.3538894607.

The spelling of 7282813861 in words is "seven billion, two hundred eighty-two million, eight hundred thirteen thousand, eight hundred sixty-one".