1982338477695 has 24 divisors (see below), whose sum is σ = 3585446987616. Its totient is φ = 1011279918528.

The previous prime is 1982338477687. The next prime is 1982338477709. The reversal of 1982338477695 is 5967748332891.

1982338477695 is a `hidden beast` number, since 1 + 98 + 2 + 3 + 3 + 8 + 477 + 69 + 5 = 666.

It is not a de Polignac number, because 1982338477695 - 2³ = 1982338477687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957650404 + ... + 957652473.

It is an arithmetic number, because the mean of its divisors is an integer number (149393624484).

Almost surely, 2^{1982338477695} is an apocalyptic number.

1982338477695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1982338477695 is a deficient number, since it is larger than the sum of its proper divisors (1603108509921).

1982338477695 is a wasteful number, since it uses less digits than its factorization.

1982338477695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915302911 (or 1915302908 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 1982338477695 in words is "one trillion, nine hundred eighty-two billion, three hundred thirty-eight million, four hundred seventy-seven thousand, six hundred ninety-five".