13446489682 has 8 divisors (see below), whose sum is σ = 20865242700. Its totient is φ = 6491408784.

The previous prime is 13446489671. The next prime is 13446489733. The reversal of 13446489682 is 28698464431.

It is a Cunningham number, because it is equal to 115959²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 13446489681 + 1 = 115959^2 + 1^2 .

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

It is a super-2 number, since 2×13446489682² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115917957 + ... + 115918072.

Almost surely, 2^13446489682 is an apocalyptic number.

13446489682 is a deficient number, since it is larger than the sum of its proper divisors (7418753018).

13446489682 is a wasteful number, since it uses less digits than its factorization.

13446489682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231836060.

The product of its digits is 7962624, while the sum is 55.

The spelling of 13446489682 in words is "thirteen billion, four hundred forty-six million, four hundred eighty-nine thousand, six hundred eighty-two".