21432143063 has 2 divisors, whose sum is σ = 21432143064. Its totient is φ = 21432143062.

The previous prime is 21432143041. The next prime is 21432143081. The reversal of 21432143063 is 36034123412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21432143063 - 2⁸ = 21432142807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21432143003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10716071531 + 10716071532.

It is an arithmetic number, because the mean of its divisors is an integer number (10716071532).

Almost surely, 2^21432143063 is an apocalyptic number.

21432143063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21432143063 is an equidigital number, since it uses as much as digits as its factorization.

21432143063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21432143063 its reverse (36034123412), we get a palindrome (57466266475).

The spelling of 21432143063 in words is "twenty-one billion, four hundred thirty-two million, one hundred forty-three thousand, sixty-three".