21484148319 has 28 divisors (see below), whose sum is σ = 32233566816. Its totient is φ = 14312948832.

The previous prime is 21484148311. The next prime is 21484148321. The reversal of 21484148319 is 91384148412.

21484148319 is a `hidden beast` number, since 2 + 148 + 414 + 83 + 19 = 666.

It is not a de Polignac number, because 21484148319 - 2³ = 21484148311 is a prime.

It is a super-2 number, since 2×21484148319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21484148311) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1144699 + ... + 1163315.

Almost surely, 2^21484148319 is an apocalyptic number.

21484148319 is a deficient number, since it is larger than the sum of its proper divisors (10749418497).

21484148319 is an equidigital number, since it uses as much as digits as its factorization.

21484148319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20218 (or 20203 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 21484148319 in words is "twenty-one billion, four hundred eighty-four million, one hundred forty-eight thousand, three hundred nineteen".