2281685671 has 2 divisors, whose sum is σ = 2281685672. Its totient is φ = 2281685670.

The previous prime is 2281685633. The next prime is 2281685689. The reversal of 2281685671 is 1765861822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2281685671 - 2²⁵ = 2248131239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281685621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140842835 + 1140842836.

It is an arithmetic number, because the mean of its divisors is an integer number (1140842836).

Almost surely, 2^2281685671 is an apocalyptic number.

2281685671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281685671 is an equidigital number, since it uses as much as digits as its factorization.

2281685671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 2281685671 is about 47766.9935310984. The cubic root of 2281685671 is about 1316.4931539195.

The spelling of 2281685671 in words is "two billion, two hundred eighty-one million, six hundred eighty-five thousand, six hundred seventy-one".