21471357270033 has 24 divisors (see below), whose sum is σ = 33833987119296. Its totient is φ = 13012815631200.

The previous prime is 21471357270001. The next prime is 21471357270089. The reversal of 21471357270033 is 33007275317412.

21471357270033 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 1 + 3 + 572 + 70 + 0 + 3 + 3 = 666.

It is not a de Polignac number, because 21471357270033 - 2⁵ = 21471357270001 is a prime.

It is a super-2 number, since 2×21471357270033² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21471357271033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9566188 + ... + 11595458.

It is an arithmetic number, because the mean of its divisors is an integer number (1409749463304).

Almost surely, 2^{21471357270033} is an apocalyptic number.

It is an amenable number.

21471357270033 is a deficient number, since it is larger than the sum of its proper divisors (12362629849263).

21471357270033 is a wasteful number, since it uses less digits than its factorization.

21471357270033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136165 (or 2136162 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 21471357270033 in words is "twenty-one trillion, four hundred seventy-one billion, three hundred fifty-seven million, two hundred seventy thousand, thirty-three".