1982175119 has 2 divisors, whose sum is σ = 1982175120. Its totient is φ = 1982175118.

The previous prime is 1982175079. The next prime is 1982175187. The reversal of 1982175119 is 9115712891.

It is a weak prime.

It is an emirp because it is prime and its reverse (9115712891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1982175119 - 2²⁸ = 1713739663 is a prime.

It is a super-2 number, since 2×1982175119² = 7858036404765328322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1982175119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982175199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991087559 + 991087560.

It is an arithmetic number, because the mean of its divisors is an integer number (991087560).

Almost surely, 2^1982175119 is an apocalyptic number.

1982175119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982175119 is an equidigital number, since it uses as much as digits as its factorization.

1982175119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 44.

The square root of 1982175119 is about 44521.6252960289. The cubic root of 1982175119 is about 1256.1668843173.

The spelling of 1982175119 in words is "one billion, nine hundred eighty-two million, one hundred seventy-five thousand, one hundred nineteen".