21483228513 has 8 divisors (see below), whose sum is σ = 28644984576. Its totient is φ = 14321812400.

The previous prime is 21483228511. The next prime is 21483228517. The reversal of 21483228513 is 31582238412.

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 21483228513 - 2¹ = 21483228511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21483228511) 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, 185008 + ... + 277838.

It is an arithmetic number, because the mean of its divisors is an integer number (3580623072).

Almost surely, 2^21483228513 is an apocalyptic number.

It is an amenable number.

21483228513 is a deficient number, since it is larger than the sum of its proper divisors (7161756063).

21483228513 is an equidigital number, since it uses as much as digits as its factorization.

21483228513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169975.

The product of its digits is 92160, while the sum is 39.

The spelling of 21483228513 in words is "twenty-one billion, four hundred eighty-three million, two hundred twenty-eight thousand, five hundred thirteen".