21432033319 has 8 divisors (see below), whose sum is σ = 21729634560. Its totient is φ = 21135089976.

The previous prime is 21432033317. The next prime is 21432033353. The reversal of 21432033319 is 91333023412.

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 21432033319 - 2¹ = 21432033317 is a prime.

It is a super-2 number, since 2×21432033319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21432033313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98689 + ... + 229354.

It is an arithmetic number, because the mean of its divisors is an integer number (2716204320).

Almost surely, 2^21432033319 is an apocalyptic number.

21432033319 is a deficient number, since it is larger than the sum of its proper divisors (297601241).

21432033319 is an equidigital number, since it uses as much as digits as its factorization.

21432033319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328949.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 21432033319 in words is "twenty-one billion, four hundred thirty-two million, thirty-three thousand, three hundred nineteen".