13506030673 has 4 divisors (see below), whose sum is σ = 13506323380. Its totient is φ = 13505737968.

The previous prime is 13506030641. The next prime is 13506030677. The reversal of 13506030673 is 37603060531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1168819344 + 12337211329 = 34188^2 + 111073^2 .

It is a cyclic number.

It is not a de Polignac number, because 13506030673 - 2⁵ = 13506030641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13506030677) 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, 60258 + ... + 175051.

It is an arithmetic number, because the mean of its divisors is an integer number (3376580845).

Almost surely, 2^13506030673 is an apocalyptic number.

It is an amenable number.

13506030673 is a deficient number, since it is larger than the sum of its proper divisors (292707).

13506030673 is an equidigital number, since it uses as much as digits as its factorization.

13506030673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292706.

The product of its (nonzero) digits is 34020, while the sum is 34.

The spelling of 13506030673 in words is "thirteen billion, five hundred six million, thirty thousand, six hundred seventy-three".