11673042013 has 2 divisors, whose sum is σ = 11673042014. Its totient is φ = 11673042012.

The previous prime is 11673041921. The next prime is 11673042037. The reversal of 11673042013 is 31024037611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11495699524 + 177342489 = 107218^2 + 13317^2 .

It is a cyclic number.

It is not a de Polignac number, because 11673042013 - 2¹³ = 11673033821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11673042083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5836521006 + 5836521007.

It is an arithmetic number, because the mean of its divisors is an integer number (5836521007).

Almost surely, 2^11673042013 is an apocalyptic number.

It is an amenable number.

11673042013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11673042013 is an equidigital number, since it uses as much as digits as its factorization.

11673042013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 11673042013 its reverse (31024037611), we get a palindrome (42697079624).

The spelling of 11673042013 in words is "eleven billion, six hundred seventy-three million, forty-two thousand, thirteen".