19234713613 has 4 divisors (see below), whose sum is σ = 19305690688. Its totient is φ = 19163736540.

The previous prime is 19234713607. The next prime is 19234713683. The reversal of 19234713613 is 31631743291.

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 19234713613 - 2⁵ = 19234713581 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 (19234713683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35488131 + ... + 35488672.

It is an arithmetic number, because the mean of its divisors is an integer number (4826422672).

Almost surely, 2^19234713613 is an apocalyptic number.

It is an amenable number.

19234713613 is a deficient number, since it is larger than the sum of its proper divisors (70977075).

19234713613 is an equidigital number, since it uses as much as digits as its factorization.

19234713613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70977074.

The product of its digits is 81648, while the sum is 40.

The spelling of 19234713613 in words is "nineteen billion, two hundred thirty-four million, seven hundred thirteen thousand, six hundred thirteen".