726168123929 has 8 divisors (see below), whose sum is σ = 727053649920. Its totient is φ = 725282890816.

The previous prime is 726168123911. The next prime is 726168123977. The reversal of 726168123929 is 929321861627.

726168123929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 726168123929 - 2¹⁶ = 726168058393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726168123229) 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, 5110952 + ... + 5251110.

It is an arithmetic number, because the mean of its divisors is an integer number (90881706240).

Almost surely, 2^726168123929 is an apocalyptic number.

It is an amenable number.

726168123929 is a deficient number, since it is larger than the sum of its proper divisors (885525991).

726168123929 is a wasteful number, since it uses less digits than its factorization.

726168123929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146439.

The product of its digits is 3919104, while the sum is 56.

The spelling of 726168123929 in words is "seven hundred twenty-six billion, one hundred sixty-eight million, one hundred twenty-three thousand, nine hundred twenty-nine".