729442572985 has 16 divisors (see below), whose sum is σ = 1000596506112. Its totient is φ = 500080132800.

The previous prime is 729442572961. The next prime is 729442572997. The reversal of 729442572985 is 589275244927.

It is not a de Polignac number, because 729442572985 - 2⁵ = 729442572953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109106 + ... + 2430475.

It is an arithmetic number, because the mean of its divisors is an integer number (62537281632).

Almost surely, 2^729442572985 is an apocalyptic number.

It is an amenable number.

729442572985 is a deficient number, since it is larger than the sum of its proper divisors (271153933127).

729442572985 is a wasteful number, since it uses less digits than its factorization.

729442572985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544184.

The product of its digits is 101606400, while the sum is 64.

The spelling of 729442572985 in words is "seven hundred twenty-nine billion, four hundred forty-two million, five hundred seventy-two thousand, nine hundred eighty-five".