2181613327 has 2 divisors, whose sum is σ = 2181613328. Its totient is φ = 2181613326.

The previous prime is 2181613289. The next prime is 2181613339. The reversal of 2181613327 is 7233161812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2181613327 - 2¹⁵ = 2181580559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2181613292 and 2181613301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2181613627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090806663 + 1090806664.

It is an arithmetic number, because the mean of its divisors is an integer number (1090806664).

Almost surely, 2^2181613327 is an apocalyptic number.

2181613327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2181613327 is an equidigital number, since it uses as much as digits as its factorization.

2181613327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 2181613327 is about 46707.7437583962. The cubic root of 2181613327 is about 1296.9580407170.

The spelling of 2181613327 in words is "two billion, one hundred eighty-one million, six hundred thirteen thousand, three hundred twenty-seven".