13216353673 has 8 divisors (see below), whose sum is σ = 14003944200. Its totient is φ = 12429891840.

The previous prime is 13216353629. The next prime is 13216353677. The reversal of 13216353673 is 37635361231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 588887289 + 12627466384 = 24267^2 + 112372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13216353673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13216353677) 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, 257998 + ... + 304951.

It is an arithmetic number, because the mean of its divisors is an integer number (1750493025).

Almost surely, 2^13216353673 is an apocalyptic number.

It is an amenable number.

13216353673 is a deficient number, since it is larger than the sum of its proper divisors (787590527).

13216353673 is a wasteful number, since it uses less digits than its factorization.

13216353673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564347.

The product of its digits is 204120, while the sum is 40.

The spelling of 13216353673 in words is "thirteen billion, two hundred sixteen million, three hundred fifty-three thousand, six hundred seventy-three".