1982367641579 has 8 divisors (see below), whose sum is σ = 2136964934832. Its totient is φ = 1828071416160.

The previous prime is 1982367641543. The next prime is 1982367641581. The reversal of 1982367641579 is 9751467632891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1982367641579 - 2³² = 1978072674283 is a prime.

It is a super-2 number, since 2×1982367641579² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1982367641179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75253277 + ... + 75279614.

It is an arithmetic number, because the mean of its divisors is an integer number (267120616854).

Almost surely, 2^{1982367641579} is an apocalyptic number.

1982367641579 is a deficient number, since it is larger than the sum of its proper divisors (154597293253).

1982367641579 is a wasteful number, since it uses less digits than its factorization.

1982367641579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150533917.

The product of its digits is 137168640, while the sum is 68.

The spelling of 1982367641579 in words is "one trillion, nine hundred eighty-two billion, three hundred sixty-seven million, six hundred forty-one thousand, five hundred seventy-nine".