21432141003 has 32 divisors (see below), whose sum is σ = 35224358400. Its totient is φ = 11287616256.

The previous prime is 21432140971. The next prime is 21432141019. The reversal of 21432141003 is 30014123412.

It is not a de Polignac number, because 21432141003 - 2⁵ = 21432140971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (21432143003) 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 31 ways as a sum of consecutive naturals, for example, 120343 + ... + 239471.

It is an arithmetic number, because the mean of its divisors is an integer number (1100761200).

Almost surely, 2^21432141003 is an apocalyptic number.

21432141003 is a deficient number, since it is larger than the sum of its proper divisors (13792217397).

21432141003 is a wasteful number, since it uses less digits than its factorization.

21432141003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119811.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21432141003 its reverse (30014123412), we get a palindrome (51446264415).

The spelling of 21432141003 in words is "twenty-one billion, four hundred thirty-two million, one hundred forty-one thousand, three".