19349442429 has 8 divisors (see below), whose sum is σ = 26125829760. Its totient is φ = 12736341696.

The previous prime is 19349442401. The next prime is 19349442451. The reversal of 19349442429 is 92424494391.

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

It is not a de Polignac number, because 19349442429 - 2²³ = 19341053821 is a prime.

It is a super-3 number, since 3×19349442429³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19349432429) 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, 40821372 + ... + 40821845.

It is an arithmetic number, because the mean of its divisors is an integer number (3265728720).

Almost surely, 2^19349442429 is an apocalyptic number.

It is an amenable number.

19349442429 is a deficient number, since it is larger than the sum of its proper divisors (6776387331).

19349442429 is an equidigital number, since it uses as much as digits as its factorization.

19349442429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81643299.

The product of its digits is 2239488, while the sum is 51.

The spelling of 19349442429 in words is "nineteen billion, three hundred forty-nine million, four hundred forty-two thousand, four hundred twenty-nine".