21472733333017 has 8 divisors (see below), whose sum is σ = 21837794565600. Its totient is φ = 21107709320544.

The previous prime is 21472733332993. The next prime is 21472733333041. The reversal of 21472733333017 is 71033333727412.

It is an interprime number because it is at equal distance from previous prime (21472733332993) and next prime (21472733333041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21472733333017 - 2¹¹ = 21472733330969 is a prime.

It is a super-2 number, since 2×21472733333017² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21472733333047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8140167 + ... + 10450252.

It is an arithmetic number, because the mean of its divisors is an integer number (2729724320700).

Almost surely, 2^{21472733333017} is an apocalyptic number.

It is an amenable number.

21472733333017 is a deficient number, since it is larger than the sum of its proper divisors (365061232583).

21472733333017 is a wasteful number, since it uses less digits than its factorization.

21472733333017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610055.

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 21472733333017 in words is "twenty-one trillion, four hundred seventy-two billion, seven hundred thirty-three million, three hundred thirty-three thousand, seventeen".