13447062617 has 4 divisors (see below), whose sum is σ = 13775039796. Its totient is φ = 13119085440.

The previous prime is 13447062613. The next prime is 13447062619. The reversal of 13447062617 is 71626074431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71626074431 = 311 ⋅230308921.

It can be written as a sum of positive squares in 2 ways, for example, as 5152224841 + 8294837776 = 71779^2 + 91076^2 .

It is a cyclic number.

It is not a de Polignac number, because 13447062617 - 2² = 13447062613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 327977137 = 13447062617 / (1 + 3 + 4 + 4 + 7 + 0 + 6 + 2 + 6 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13447062613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163988528 + ... + 163988609.

It is an arithmetic number, because the mean of its divisors is an integer number (3443759949).

Almost surely, 2^13447062617 is an apocalyptic number.

It is an amenable number.

13447062617 is a deficient number, since it is larger than the sum of its proper divisors (327977179).

13447062617 is an equidigital number, since it uses as much as digits as its factorization.

13447062617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327977178.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 13447062617 in words is "thirteen billion, four hundred forty-seven million, sixty-two thousand, six hundred seventeen".