729409313934 has 36 divisors (see below), whose sum is σ = 1838409191424. Its totient is φ = 208402660872.

The previous prime is 729409313933. The next prime is 729409313939. The reversal of 729409313934 is 439313904927.

It is a happy number.

729409313934 is a `hidden beast` number, since 7 + 294 + 0 + 9 + 313 + 9 + 34 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729409313933) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 413496462 + ... + 413498225.

It is an arithmetic number, because the mean of its divisors is an integer number (51066921984).

Almost surely, 2^729409313934 is an apocalyptic number.

729409313934 is an abundant number, since it is smaller than the sum of its proper divisors (1108999877490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729409313934 is a wasteful number, since it uses less digits than its factorization.

729409313934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826994709 (or 826994699 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 729409313934 in words is "seven hundred twenty-nine billion, four hundred nine million, three hundred thirteen thousand, nine hundred thirty-four".