21432403341 has 24 divisors (see below), whose sum is σ = 31380332256. Its totient is φ = 14093851680.

The previous prime is 21432403271. The next prime is 21432403373. The reversal of 21432403341 is 14330423412.

21432403341 is a `hidden beast` number, since 2 + 1 + 4 + 324 + 0 + 334 + 1 = 666.

It is not a de Polignac number, because 21432403341 - 2⁹ = 21432402829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21432405341) 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 23 ways as a sum of consecutive naturals, for example, 458011 + ... + 502631.

It is an arithmetic number, because the mean of its divisors is an integer number (1307513844).

Almost surely, 2^21432403341 is an apocalyptic number.

It is an amenable number.

21432403341 is a deficient number, since it is larger than the sum of its proper divisors (9947928915).

21432403341 is a wasteful number, since it uses less digits than its factorization.

21432403341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45353 (or 45350 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21432403341 its reverse (14330423412), we get a palindrome (35762826753).

The spelling of 21432403341 in words is "twenty-one billion, four hundred thirty-two million, four hundred three thousand, three hundred forty-one".