13446674657 has 8 divisors (see below), whose sum is σ = 14508729984. Its totient is φ = 12388575888.

The previous prime is 13446674653. The next prime is 13446674701. The reversal of 13446674657 is 75647664431.

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

It is not a de Polignac number, because 13446674657 - 2² = 13446674653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13446674599 and 13446674608.

It is not an unprimeable number, because it can be changed into a prime (13446674653) 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, 982073 + ... + 995670.

It is an arithmetic number, because the mean of its divisors is an integer number (1813591248).

Almost surely, 2^13446674657 is an apocalyptic number.

It is an amenable number.

13446674657 is a deficient number, since it is larger than the sum of its proper divisors (1062055327).

13446674657 is a wasteful number, since it uses less digits than its factorization.

13446674657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978279.

The product of its digits is 10160640, while the sum is 53.

The spelling of 13446674657 in words is "thirteen billion, four hundred forty-six million, six hundred seventy-four thousand, six hundred fifty-seven".