729199561426 has 8 divisors (see below), whose sum is σ = 1250056391040. Its totient is φ = 312514097748.

The previous prime is 729199561421. The next prime is 729199561439. The reversal of 729199561426 is 624165991927.

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

It is not an unprimeable number, because it can be changed into a prime (729199561421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26042841466 + ... + 26042841493.

It is an arithmetic number, because the mean of its divisors is an integer number (156257048880).

Almost surely, 2^729199561426 is an apocalyptic number.

729199561426 is a deficient number, since it is larger than the sum of its proper divisors (520856829614).

729199561426 is a wasteful number, since it uses less digits than its factorization.

729199561426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52085682968.

The product of its digits is 14696640, while the sum is 61.

The spelling of 729199561426 in words is "seven hundred twenty-nine billion, one hundred ninety-nine million, five hundred sixty-one thousand, four hundred twenty-six".