13066817741 has 4 divisors (see below), whose sum is σ = 13071143232. Its totient is φ = 13062492252.

The previous prime is 13066817689. The next prime is 13066817761. The reversal of 13066817741 is 14771866031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14771866031 = 13 ⋅1136297387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13066817741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13066817692 and 13066817701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066817761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158211 + ... + 2164256.

It is an arithmetic number, because the mean of its divisors is an integer number (3267785808).

Almost surely, 2^13066817741 is an apocalyptic number.

It is an amenable number.

13066817741 is a deficient number, since it is larger than the sum of its proper divisors (4325491).

13066817741 is an equidigital number, since it uses as much as digits as its factorization.

13066817741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325490.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 13066817741 in words is "thirteen billion, sixty-six million, eight hundred seventeen thousand, seven hundred forty-one".