13513446489738 has 16 divisors (see below), whose sum is σ = 29105884747296. Its totient is φ = 4157983535280.

The previous prime is 13513446489737. The next prime is 13513446489769. The reversal of 13513446489738 is 83798464431531.

It is a super-2 number, since 2×13513446489738² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13513446489737) 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, 86624656908 + ... + 86624657063.

It is an arithmetic number, because the mean of its divisors is an integer number (1819117796706).

Almost surely, 2^{13513446489738} is an apocalyptic number.

13513446489738 is an abundant number, since it is smaller than the sum of its proper divisors (15592438257558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13513446489738 is a wasteful number, since it uses less digits than its factorization.

13513446489738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173249313989.

The product of its digits is 209018880, while the sum is 66.

The spelling of 13513446489738 in words is "thirteen trillion, five hundred thirteen billion, four hundred forty-six million, four hundred eighty-nine thousand, seven hundred thirty-eight".