13446443741 has 2 divisors, whose sum is σ = 13446443742. Its totient is φ = 13446443740.

The previous prime is 13446443729. The next prime is 13446443767. The reversal of 13446443741 is 14734464431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11018910841 + 2427532900 = 104971^2 + 49270^2 .

It is a cyclic number.

It is not a de Polignac number, because 13446443741 - 2⁶ = 13446443677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13446443711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723221870 + 6723221871.

It is an arithmetic number, because the mean of its divisors is an integer number (6723221871).

Almost surely, 2^13446443741 is an apocalyptic number.

It is an amenable number.

13446443741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13446443741 is an equidigital number, since it uses as much as digits as its factorization.

13446443741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 41.

The spelling of 13446443741 in words is "thirteen billion, four hundred forty-six million, four hundred forty-three thousand, seven hundred forty-one".