13447983017 has 6 divisors (see below), whose sum is σ = 15643572138. Its totient is φ = 11526842544.

The previous prime is 13447983011. The next prime is 13447983049. The reversal of 13447983017 is 71038974431.

It can be written as a sum of positive squares in only one way, i.e., 7065411136 + 6382571881 = 84056^2 + 79891^2 .

It is not a de Polignac number, because 13447983017 - 2²⁶ = 13380874153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13447983011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137224268 + ... + 137224365.

It is an arithmetic number, because the mean of its divisors is an integer number (2607262023).

Almost surely, 2^13447983017 is an apocalyptic number.

It is an amenable number.

13447983017 is a deficient number, since it is larger than the sum of its proper divisors (2195589121).

13447983017 is an equidigital number, since it uses as much as digits as its factorization.

13447983017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274448647 (or 274448640 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 13447983017 in words is "thirteen billion, four hundred forty-seven million, nine hundred eighty-three thousand, seventeen".