21470543010235 has 16 divisors (see below), whose sum is σ = 28107211960800. Its totient is φ = 15614762986240.

The previous prime is 21470543010229. The next prime is 21470543010239. The reversal of 21470543010235 is 53201034507412.

It is not a de Polignac number, because 21470543010235 - 2¹³ = 21470543002043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21470543010194 and 21470543010203.

It is not an unprimeable number, because it can be changed into a prime (21470543010239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769309 + ... + 7114081.

It is an arithmetic number, because the mean of its divisors is an integer number (1756700747550).

Almost surely, 2^{21470543010235} is an apocalyptic number.

21470543010235 is a deficient number, since it is larger than the sum of its proper divisors (6636668950565).

21470543010235 is a wasteful number, since it uses less digits than its factorization.

21470543010235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434638.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 21470543010235 its reverse (53201034507412), we get a palindrome (74671577517647).

The spelling of 21470543010235 in words is "twenty-one trillion, four hundred seventy billion, five hundred forty-three million, ten thousand, two hundred thirty-five".