13446489671 has 2 divisors, whose sum is σ = 13446489672. Its totient is φ = 13446489670.

The previous prime is 13446489659. The next prime is 13446489733. The reversal of 13446489671 is 17698464431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13446489671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13446489571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723244835 + 6723244836.

It is an arithmetic number, because the mean of its divisors is an integer number (6723244836).

Almost surely, 2^13446489671 is an apocalyptic number.

13446489671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13446489671 is an equidigital number, since it uses as much as digits as its factorization.

13446489671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The spelling of 13446489671 in words is "thirteen billion, four hundred forty-six million, four hundred eighty-nine thousand, six hundred seventy-one".