13417196721 has 8 divisors (see below), whose sum is σ = 17955609984. Its totient is φ = 8911790640.

The previous prime is 13417196677. The next prime is 13417196729. The reversal of 13417196721 is 12769171431.

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

It is not a de Polignac number, because 13417196721 - 2⁹ = 13417196209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13417196729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8250846 + ... + 8252471.

It is an arithmetic number, because the mean of its divisors is an integer number (2244451248).

Almost surely, 2^13417196721 is an apocalyptic number.

It is an amenable number.

13417196721 is a deficient number, since it is larger than the sum of its proper divisors (4538413263).

13417196721 is a wasteful number, since it uses less digits than its factorization.

13417196721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503591.

The product of its digits is 63504, while the sum is 42.

The spelling of 13417196721 in words is "thirteen billion, four hundred seventeen million, one hundred ninety-six thousand, seven hundred twenty-one".