199430199429 has 8 divisors (see below), whose sum is σ = 266181917760. Its totient is φ = 132815973696.

The previous prime is 199430199407. The next prime is 199430199443. The reversal of 199430199429 is 924991034991.

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

It is not a de Polignac number, because 199430199429 - 2⁸ = 199430199173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199430199469) 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, 34369764 + ... + 34375565.

It is an arithmetic number, because the mean of its divisors is an integer number (33272739720).

Almost surely, 2^199430199429 is an apocalyptic number.

It is an amenable number.

199430199429 is a deficient number, since it is larger than the sum of its proper divisors (66751718331).

199430199429 is an equidigital number, since it uses as much as digits as its factorization.

199430199429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68746299.

The product of its (nonzero) digits is 5668704, while the sum is 60.

The spelling of 199430199429 in words is "one hundred ninety-nine billion, four hundred thirty million, one hundred ninety-nine thousand, four hundred twenty-nine".