30544665013 has 4 divisors (see below), whose sum is σ = 30830129280. Its totient is φ = 30259200748.

The previous prime is 30544665007. The next prime is 30544665023. The reversal of 30544665013 is 31056644503.

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 30544665013 - 2²⁹ = 30007794101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30544665023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142731973 + ... + 142732186.

It is an arithmetic number, because the mean of its divisors is an integer number (7707532320).

Almost surely, 2^30544665013 is an apocalyptic number.

It is an amenable number.

30544665013 is a deficient number, since it is larger than the sum of its proper divisors (285464267).

30544665013 is a wasteful number, since it uses less digits than its factorization.

30544665013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285464266.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 30544665013 in words is "thirty billion, five hundred forty-four million, six hundred sixty-five thousand, thirteen".