21482798315 has 8 divisors (see below), whose sum is σ = 28122936048. Its totient is φ = 15623853280.

The previous prime is 21482798303. The next prime is 21482798347. The reversal of 21482798315 is 51389728412.

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

It is not a de Polignac number, because 21482798315 - 2⁴ = 21482798299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195298112 + ... + 195298221.

It is an arithmetic number, because the mean of its divisors is an integer number (3515367006).

Almost surely, 2^21482798315 is an apocalyptic number.

21482798315 is a deficient number, since it is larger than the sum of its proper divisors (6640137733).

21482798315 is a wasteful number, since it uses less digits than its factorization.

21482798315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390596349.

The product of its digits is 967680, while the sum is 50.

The spelling of 21482798315 in words is "twenty-one billion, four hundred eighty-two million, seven hundred ninety-eight thousand, three hundred fifteen".