21484558299 has 32 divisors (see below), whose sum is σ = 30667222080. Its totient is φ = 13331456000.

The previous prime is 21484558223. The next prime is 21484558301. The reversal of 21484558299 is 99285548412.

It is a cyclic number.

It is not a de Polignac number, because 21484558299 - 2⁷ = 21484558171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21484550299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5710579 + ... + 5714339.

It is an arithmetic number, because the mean of its divisors is an integer number (958350690).

Almost surely, 2^21484558299 is an apocalyptic number.

21484558299 is a deficient number, since it is larger than the sum of its proper divisors (9182663781).

21484558299 is a wasteful number, since it uses less digits than its factorization.

21484558299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991.

The product of its digits is 8294400, while the sum is 57.

The spelling of 21484558299 in words is "twenty-one billion, four hundred eighty-four million, five hundred fifty-eight thousand, two hundred ninety-nine".