13138267666573 has 16 divisors (see below), whose sum is σ = 15056302510080. Its totient is φ = 11230525253376.

The previous prime is 13138267666571. The next prime is 13138267666607. The reversal of 13138267666573 is 37566676283131.

It is a cyclic number.

It is not a de Polignac number, because 13138267666573 - 2¹ = 13138267666571 is a prime.

It is a super-2 number, since 2×13138267666573² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138267666571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20807173 + ... + 21429301.

It is an arithmetic number, because the mean of its divisors is an integer number (941018906880).

Almost surely, 2^{13138267666573} is an apocalyptic number.

It is an amenable number.

13138267666573 is a deficient number, since it is larger than the sum of its proper divisors (1918034843507).

13138267666573 is an equidigital number, since it uses as much as digits as its factorization.

13138267666573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630396.

The product of its digits is 137168640, while the sum is 64.

The spelling of 13138267666573 in words is "thirteen trillion, one hundred thirty-eight billion, two hundred sixty-seven million, six hundred sixty-six thousand, five hundred seventy-three".