30344445653 has 16 divisors (see below), whose sum is σ = 32369952000. Its totient is φ = 28362327552.

The previous prime is 30344445623. The next prime is 30344445667. The reversal of 30344445653 is 35654444303.

It is a cyclic number.

It is not a de Polignac number, because 30344445653 - 2¹⁰ = 30344444629 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 30344445653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30344445623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2228201 + ... + 2241777.

It is an arithmetic number, because the mean of its divisors is an integer number (2023122000).

Almost surely, 2^30344445653 is an apocalyptic number.

It is an amenable number.

30344445653 is a deficient number, since it is larger than the sum of its proper divisors (2025506347).

30344445653 is a wasteful number, since it uses less digits than its factorization.

30344445653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 30344445653 its reverse (35654444303), we get a palindrome (65998889956).

The spelling of 30344445653 in words is "thirty billion, three hundred forty-four million, four hundred forty-five thousand, six hundred fifty-three".