17913425213 has 4 divisors (see below), whose sum is σ = 17914065120. Its totient is φ = 17912785308.

The previous prime is 17913425197. The next prime is 17913425221. The reversal of 17913425213 is 31252431971.

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.

It is a cyclic number.

It is not a de Polignac number, because 17913425213 - 2⁴ = 17913425197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17913425293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275945 + ... + 334622.

It is an arithmetic number, because the mean of its divisors is an integer number (4478516280).

Almost surely, 2^17913425213 is an apocalyptic number.

It is an amenable number.

17913425213 is a deficient number, since it is larger than the sum of its proper divisors (639907).

17913425213 is an equidigital number, since it uses as much as digits as its factorization.

17913425213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639906.

The product of its digits is 45360, while the sum is 38.

The spelling of 17913425213 in words is "seventeen billion, nine hundred thirteen million, four hundred twenty-five thousand, two hundred thirteen".