1982545163 has 2 divisors, whose sum is σ = 1982545164. Its totient is φ = 1982545162.

The previous prime is 1982545153. The next prime is 1982545171. The reversal of 1982545163 is 3615452891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1982545163 - 2³⁰ = 908803339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1982545153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991272581 + 991272582.

It is an arithmetic number, because the mean of its divisors is an integer number (991272582).

Almost surely, 2^1982545163 is an apocalyptic number.

1982545163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982545163 is an equidigital number, since it uses as much as digits as its factorization.

1982545163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 1982545163 is about 44525.7808802945. The cubic root of 1982545163 is about 1256.2450489710.

The spelling of 1982545163 in words is "one billion, nine hundred eighty-two million, five hundred forty-five thousand, one hundred sixty-three".