1982325600989 has 8 divisors (see below), whose sum is σ = 1987056039360. Its totient is φ = 1977596315136.

The previous prime is 1982325600979. The next prime is 1982325600991. The reversal of 1982325600989 is 9890065232891.

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 1982325600989 - 2⁸ = 1982325600733 is a prime.

It is a super-2 number, since 2×1982325600989² (a number of 25 digits) 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 (1982325600919) 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, 3206429 + ... + 3774365.

It is an arithmetic number, because the mean of its divisors is an integer number (248382004920).

Almost surely, 2^{1982325600989} is an apocalyptic number.

It is an amenable number.

1982325600989 is a deficient number, since it is larger than the sum of its proper divisors (4730438371).

1982325600989 is an equidigital number, since it uses as much as digits as its factorization.

1982325600989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576259.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 1982325600989 in words is "one trillion, nine hundred eighty-two billion, three hundred twenty-five million, six hundred thousand, nine hundred eighty-nine".