21062267276047 has 16 divisors (see below), whose sum is σ = 22321057671360. Its totient is φ = 19805682843648.

The previous prime is 21062267276033. The next prime is 21062267276101. The reversal of 21062267276047 is 74067276226012.

It is a cyclic number.

It is not a de Polignac number, because 21062267276047 - 2¹⁵ = 21062267243279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21062267275985 and 21062267276003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21062267226047) 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, 445389838 + ... + 445437124.

It is an arithmetic number, because the mean of its divisors is an integer number (1395066104460).

Almost surely, 2^{21062267276047} is an apocalyptic number.

21062267276047 is a deficient number, since it is larger than the sum of its proper divisors (1258790395313).

21062267276047 is a wasteful number, since it uses less digits than its factorization.

21062267276047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70050.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 21062267276047 in words is "twenty-one trillion, sixty-two billion, two hundred sixty-seven million, two hundred seventy-six thousand, forty-seven".