1982169119 has 6 divisors (see below), whose sum is σ = 2305788624. Its totient is φ = 1699002060.

The previous prime is 1982169113. The next prime is 1982169131. The reversal of 1982169119 is 9119612891.

It is not a de Polignac number, because 1982169119 - 2⁴ = 1982169103 is a prime.

It is a super-2 number, since 2×1982169119² = 7857988832634472322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982169113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20226167 + ... + 20226264.

It is an arithmetic number, because the mean of its divisors is an integer number (384298104).

Almost surely, 2^1982169119 is an apocalyptic number.

1982169119 is a deficient number, since it is larger than the sum of its proper divisors (323619505).

1982169119 is an equidigital number, since it uses as much as digits as its factorization.

1982169119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40452445 (or 40452438 counting only the distinct ones).

The product of its digits is 69984, while the sum is 47.

The square root of 1982169119 is about 44521.5579129931. The cubic root of 1982169119 is about 1256.1656168529.

The spelling of 1982169119 in words is "one billion, nine hundred eighty-two million, one hundred sixty-nine thousand, one hundred nineteen".