19118231829 has 12 divisors (see below), whose sum is σ = 27664281216. Its totient is φ = 12722845992.

The previous prime is 19118231827. The next prime is 19118231861. The reversal of 19118231829 is 92813281191.

It is not a de Polignac number, because 19118231829 - 2¹ = 19118231827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19118231827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1881477 + ... + 1891610.

It is an arithmetic number, because the mean of its divisors is an integer number (2305356768).

Almost surely, 2^19118231829 is an apocalyptic number.

It is an amenable number.

19118231829 is a deficient number, since it is larger than the sum of its proper divisors (8546049387).

19118231829 is a wasteful number, since it uses less digits than its factorization.

19118231829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773656 (or 3773653 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The spelling of 19118231829 in words is "nineteen billion, one hundred eighteen million, two hundred thirty-one thousand, eight hundred twenty-nine".