18029433819 has 8 divisors (see below), whose sum is σ = 24042396672. Its totient is φ = 12018046760.

The previous prime is 18029433803. The next prime is 18029433833. The reversal of 18029433819 is 91833492081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18029433819 - 2⁴ = 18029433803 is a prime.

It is a super-2 number, since 2×18029433819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18029433839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366987 + ... + 413204.

It is an arithmetic number, because the mean of its divisors is an integer number (3005299584).

Almost surely, 2^18029433819 is an apocalyptic number.

18029433819 is a deficient number, since it is larger than the sum of its proper divisors (6012962853).

18029433819 is an equidigital number, since it uses as much as digits as its factorization.

18029433819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787897.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 18029433819 in words is "eighteen billion, twenty-nine million, four hundred thirty-three thousand, eight hundred nineteen".