21342032319 has 16 divisors (see below), whose sum is σ = 29168906624. Its totient is φ = 13872751200.

The previous prime is 21342032317. The next prime is 21342032347. The reversal of 21342032319 is 91323024312.

It is not a de Polignac number, because 21342032319 - 2¹ = 21342032317 is a prime.

It is a super-2 number, since 2×21342032319² (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 (21342032317) 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 15 ways as a sum of consecutive naturals, for example, 71212 + ... + 218529.

It is an arithmetic number, because the mean of its divisors is an integer number (1823056664).

Almost surely, 2^21342032319 is an apocalyptic number.

21342032319 is a deficient number, since it is larger than the sum of its proper divisors (7826874305).

21342032319 is a wasteful number, since it uses less digits than its factorization.

21342032319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290358.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 21342032319 in words is "twenty-one billion, three hundred forty-two million, thirty-two thousand, three hundred nineteen".