199529913429 has 144 divisors (see below), whose sum is σ = 389225840640. Its totient is φ = 96103972800.

The previous prime is 199529913419. The next prime is 199529913433. The reversal of 199529913429 is 924319925991.

199529913429 is a `hidden beast` number, since 1 + 99 + 529 + 9 + 13 + 4 + 2 + 9 = 666.

It is not a de Polignac number, because 199529913429 - 2⁷ = 199529913301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199529913419) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6792684 + ... + 6821994.

Almost surely, 2^199529913429 is an apocalyptic number.

199529913429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

199529913429 is a deficient number, since it is larger than the sum of its proper divisors (189695927211).

199529913429 is a wasteful number, since it uses less digits than its factorization.

199529913429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29412 (or 29398 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 63.

The spelling of 199529913429 in words is "one hundred ninety-nine billion, five hundred twenty-nine million, nine hundred thirteen thousand, four hundred twenty-nine".