10729504509 has 8 divisors (see below), whose sum is σ = 14306871072. Its totient is φ = 7152570480.

The previous prime is 10729504397. The next prime is 10729504517. The reversal of 10729504509 is 90540592701.

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

It is not a de Polignac number, because 10729504509 - 2²⁷ = 10595286781 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10729504529) 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, 44982 + ... + 153239.

It is an arithmetic number, because the mean of its divisors is an integer number (1788358884).

Almost surely, 2^10729504509 is an apocalyptic number.

It is an amenable number.

10729504509 is a deficient number, since it is larger than the sum of its proper divisors (3577366563).

10729504509 is a wasteful number, since it uses less digits than its factorization.

10729504509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216267.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 10729504509 in words is "ten billion, seven hundred twenty-nine million, five hundred four thousand, five hundred nine".