30109456729 has 4 divisors (see below), whose sum is σ = 32846680080. Its totient is φ = 27372233380.

The previous prime is 30109456723. The next prime is 30109456757. The reversal of 30109456729 is 92765490103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30109456729 - 2⁹ = 30109456217 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30109456723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368611659 + ... + 1368611680.

It is an arithmetic number, because the mean of its divisors is an integer number (8211670020).

Almost surely, 2^30109456729 is an apocalyptic number.

It is an amenable number.

30109456729 is a deficient number, since it is larger than the sum of its proper divisors (2737223351).

30109456729 is a wasteful number, since it uses less digits than its factorization.

30109456729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737223350.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 30109456729 in words is "thirty billion, one hundred nine million, four hundred fifty-six thousand, seven hundred twenty-nine".