13672209905 has 8 divisors (see below), whose sum is σ = 17270160000. Its totient is φ = 10362095856.

The previous prime is 13672209869. The next prime is 13672209917. The reversal of 13672209905 is 50990227631.

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

It is a cyclic number.

It is not a de Polignac number, because 13672209905 - 2¹⁸ = 13671947761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71958905 + ... + 71959094.

It is an arithmetic number, because the mean of its divisors is an integer number (2158770000).

Almost surely, 2^13672209905 is an apocalyptic number.

It is an amenable number.

13672209905 is a deficient number, since it is larger than the sum of its proper divisors (3597950095).

13672209905 is a wasteful number, since it uses less digits than its factorization.

13672209905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143918023.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 13672209905 in words is "thirteen billion, six hundred seventy-two million, two hundred nine thousand, nine hundred five".