729244144346 has 8 divisors (see below), whose sum is σ = 1093962907380. Its totient is φ = 364589841888.

The previous prime is 729244144327. The next prime is 729244144417. The reversal of 729244144346 is 643441442927.

729244144346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 728402506225 + 841638121 = 853465^2 + 29011^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 729244144294 and 729244144303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16086851 + ... + 16132118.

Almost surely, 2^729244144346 is an apocalyptic number.

729244144346 is a deficient number, since it is larger than the sum of its proper divisors (364718763034).

729244144346 is a wasteful number, since it uses less digits than its factorization.

729244144346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32230288.

The product of its digits is 4644864, while the sum is 50.

The spelling of 729244144346 in words is "seven hundred twenty-nine billion, two hundred forty-four million, one hundred forty-four thousand, three hundred forty-six".