21982598441 has 8 divisors (see below), whose sum is σ = 22145138400. Its totient is φ = 21820609440.

The previous prime is 21982598423. The next prime is 21982598497. The reversal of 21982598441 is 14489528912.

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 21982598441 - 2³⁴ = 4802729257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21982598411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57476 + ... + 217413.

It is an arithmetic number, because the mean of its divisors is an integer number (2768142300).

Almost surely, 2^21982598441 is an apocalyptic number.

It is an amenable number.

21982598441 is a deficient number, since it is larger than the sum of its proper divisors (162539959).

21982598441 is a wasteful number, since it uses less digits than its factorization.

21982598441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275479.

The product of its digits is 1658880, while the sum is 53.

The spelling of 21982598441 in words is "twenty-one billion, nine hundred eighty-two million, five hundred ninety-eight thousand, four hundred forty-one".