1982373163 has 2 divisors, whose sum is σ = 1982373164. Its totient is φ = 1982373162.

The previous prime is 1982373139. The next prime is 1982373193. The reversal of 1982373163 is 3613732891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1982373163 - 2²⁹ = 1445502251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1982373193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991186581 + 991186582.

It is an arithmetic number, because the mean of its divisors is an integer number (991186582).

Almost surely, 2^1982373163 is an apocalyptic number.

1982373163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982373163 is an equidigital number, since it uses as much as digits as its factorization.

1982373163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 1982373163 is about 44523.8493731169. The cubic root of 1982373163 is about 1256.2087185002.

The spelling of 1982373163 in words is "one billion, nine hundred eighty-two million, three hundred seventy-three thousand, one hundred sixty-three".