17438672313 has 12 divisors (see below), whose sum is σ = 25543971648. Its totient is φ = 11462037720.

The previous prime is 17438672299. The next prime is 17438672347. The reversal of 17438672313 is 31327683471.

17438672313 is a `hidden beast` number, since 174 + 386 + 72 + 31 + 3 = 666.

It is not a de Polignac number, because 17438672313 - 2¹⁶ = 17438606777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17438672813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13644645 + ... + 13645922.

It is an arithmetic number, because the mean of its divisors is an integer number (2128664304).

Almost surely, 2^17438672313 is an apocalyptic number.

It is an amenable number.

17438672313 is a deficient number, since it is larger than the sum of its proper divisors (8105299335).

17438672313 is a wasteful number, since it uses less digits than its factorization.

17438672313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27290644 (or 27290641 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 17438672313 in words is "seventeen billion, four hundred thirty-eight million, six hundred seventy-two thousand, three hundred thirteen".