21430021414003 has 4 divisors (see below), whose sum is σ = 21431906377560. Its totient is φ = 21428136450448.

The previous prime is 21430021413959. The next prime is 21430021414073. The reversal of 21430021414003 is 30041412003412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21430021414003 - 2²⁵ = 21429987859571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21430021414073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942464725 + ... + 942487462.

It is an arithmetic number, because the mean of its divisors is an integer number (5357976594390).

Almost surely, 2^{21430021414003} is an apocalyptic number.

21430021414003 is a deficient number, since it is larger than the sum of its proper divisors (1884963557).

21430021414003 is a wasteful number, since it uses less digits than its factorization.

21430021414003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884963556.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21430021414003 its reverse (30041412003412), we get a palindrome (51471433417415).

The spelling of 21430021414003 in words is "twenty-one trillion, four hundred thirty billion, twenty-one million, four hundred fourteen thousand, three".