431912129329 has 32 divisors (see below), whose sum is σ = 454531461120. Its totient is φ = 409884582912.

The previous prime is 431912129281. The next prime is 431912129381. The reversal of 431912129329 is 923921219134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431912129329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431912129629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236922912 + ... + 236924734.

It is an arithmetic number, because the mean of its divisors is an integer number (14204108160).

Almost surely, 2^431912129329 is an apocalyptic number.

It is an amenable number.

431912129329 is a deficient number, since it is larger than the sum of its proper divisors (22619331791).

431912129329 is a wasteful number, since it uses less digits than its factorization.

431912129329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529.

The product of its digits is 209952, while the sum is 46.

The spelling of 431912129329 in words is "four hundred thirty-one billion, nine hundred twelve million, one hundred twenty-nine thousand, three hundred twenty-nine".