30444042413 has 8 divisors (see below), whose sum is σ = 30568227000. Its totient is φ = 30319902720.

The previous prime is 30444042397. The next prime is 30444042449. The reversal of 30444042413 is 31424044403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11995068484 + 18448973929 = 109522^2 + 135827^2 .

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 30444042413 - 2⁴ = 30444042397 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 (30444042913) 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 7 ways as a sum of consecutive naturals, for example, 2291213 + ... + 2304461.

It is an arithmetic number, because the mean of its divisors is an integer number (3821028375).

Almost surely, 2^30444042413 is an apocalyptic number.

It is an amenable number.

30444042413 is a deficient number, since it is larger than the sum of its proper divisors (124184587).

30444042413 is a wasteful number, since it uses less digits than its factorization.

30444042413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30444042413 its reverse (31424044403), we get a palindrome (61868086816).

The spelling of 30444042413 in words is "thirty billion, four hundred forty-four million, forty-two thousand, four hundred thirteen".