19058118913 has 4 divisors (see below), whose sum is σ = 19079132080. Its totient is φ = 19037105748.

The previous prime is 19058118883. The next prime is 19058118997. The reversal of 19058118913 is 31981185091.

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 a de Polignac number, because none of the positive numbers 2^k-19058118913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19058110913) 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, 10505223 + ... + 10507036.

It is an arithmetic number, because the mean of its divisors is an integer number (4769783020).

Almost surely, 2^19058118913 is an apocalyptic number.

It is an amenable number.

19058118913 is a deficient number, since it is larger than the sum of its proper divisors (21013167).

19058118913 is an equidigital number, since it uses as much as digits as its factorization.

19058118913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013166.

The product of its (nonzero) digits is 77760, while the sum is 46.

The spelling of 19058118913 in words is "nineteen billion, fifty-eight million, one hundred eighteen thousand, nine hundred thirteen".