1982975342727 has 16 divisors (see below), whose sum is σ = 2758998654720. Its totient is φ = 1264470981312.

The previous prime is 1982975342653. The next prime is 1982975342729. The reversal of 1982975342727 is 7272435792891.

It is not a de Polignac number, because 1982975342727 - 2⁷ = 1982975342599 is a prime.

It is a super-2 number, since 2×1982975342727² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982975342729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235724 + ... + 2994062.

It is an arithmetic number, because the mean of its divisors is an integer number (172437415920).

Almost surely, 2^{1982975342727} is an apocalyptic number.

1982975342727 is a deficient number, since it is larger than the sum of its proper divisors (776023311993).

1982975342727 is a wasteful number, since it uses less digits than its factorization.

1982975342727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796262.

The product of its digits is 106686720, while the sum is 66.

The spelling of 1982975342727 in words is "one trillion, nine hundred eighty-two billion, nine hundred seventy-five million, three hundred forty-two thousand, seven hundred twenty-seven".