529943134409 has 4 divisors (see below), whose sum is σ = 570707990916. Its totient is φ = 489178277904.

The previous prime is 529943134393. The next prime is 529943134447. The reversal of 529943134409 is 904431349925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35108266384 + 494834868025 = 187372^2 + 703445^2 .

It is a cyclic number.

It is not a de Polignac number, because 529943134409 - 2⁴ = 529943134393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (529943134459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20382428234 + ... + 20382428259.

It is an arithmetic number, because the mean of its divisors is an integer number (142676997729).

Almost surely, 2^529943134409 is an apocalyptic number.

It is an amenable number.

529943134409 is a deficient number, since it is larger than the sum of its proper divisors (40764856507).

529943134409 is a wasteful number, since it uses less digits than its factorization.

529943134409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40764856506.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 529943134409 in words is "five hundred twenty-nine billion, nine hundred forty-three million, one hundred thirty-four thousand, four hundred nine".