21470062163553 has 16 divisors (see below), whose sum is σ = 32904309830400. Its totient is φ = 13819810127760.

The previous prime is 21470062163531. The next prime is 21470062163597. The reversal of 21470062163553 is 35536126007412.

21470062163553 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 0 + 0 + 6 + 2 + 1 + 635 + 5 + 3 = 666.

It is not a de Polignac number, because 21470062163553 - 2¹⁰ = 21470062162529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21470062163499 and 21470062163508.

It is not an unprimeable number, because it can be changed into a prime (21470062163453) 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, 13710128313 + ... + 13710129878.

It is an arithmetic number, because the mean of its divisors is an integer number (2056519364400).

Almost surely, 2^{21470062163553} is an apocalyptic number.

It is an amenable number.

21470062163553 is a deficient number, since it is larger than the sum of its proper divisors (11434247666847).

21470062163553 is a wasteful number, since it uses less digits than its factorization.

21470062163553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420258229 (or 27420258223 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 21470062163553 in words is "twenty-one trillion, four hundred seventy billion, sixty-two million, one hundred sixty-three thousand, five hundred fifty-three".