21382214413 has 8 divisors (see below), whose sum is σ = 24520220928. Its totient is φ = 18265059024.

The previous prime is 21382214401. The next prime is 21382214453. The reversal of 21382214413 is 31441228312.

It is a happy number.

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 21382214413 - 2¹⁷ = 21382083341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21382214453) 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, 5210581 + ... + 5214682.

It is an arithmetic number, because the mean of its divisors is an integer number (3065027616).

Almost surely, 2^21382214413 is an apocalyptic number.

It is an amenable number.

21382214413 is a deficient number, since it is larger than the sum of its proper divisors (3138006515).

21382214413 is a wasteful number, since it uses less digits than its factorization.

21382214413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425563.

The product of its digits is 9216, while the sum is 31.

The spelling of 21382214413 in words is "twenty-one billion, three hundred eighty-two million, two hundred fourteen thousand, four hundred thirteen".