30468943909 has 4 divisors (see below), whose sum is σ = 30469379904. Its totient is φ = 30468507916.

The previous prime is 30468943861. The next prime is 30468943949. The reversal of 30468943909 is 90934986403.

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 30468943909 - 2²¹ = 30466846757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30468943909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30468943949) 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, 86887 + ... + 261700.

It is an arithmetic number, because the mean of its divisors is an integer number (7617344976).

Almost surely, 2^30468943909 is an apocalyptic number.

It is an amenable number.

30468943909 is a deficient number, since it is larger than the sum of its proper divisors (435995).

30468943909 is an equidigital number, since it uses as much as digits as its factorization.

30468943909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435994.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 30468943909 in words is "thirty billion, four hundred sixty-eight million, nine hundred forty-three thousand, nine hundred nine".