30644370909213 has 16 divisors (see below), whose sum is σ = 40883975323776. Its totient is φ = 20417177116160.

The previous prime is 30644370909203. The next prime is 30644370909221. The reversal of 30644370909213 is 31290907344603.

It is a cyclic number.

It is not a de Polignac number, because 30644370909213 - 2⁴ = 30644370909197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30644370909203) 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, 34206073 + ... + 35090513.

It is an arithmetic number, because the mean of its divisors is an integer number (2555248457736).

Almost surely, 2^{30644370909213} is an apocalyptic number.

It is an amenable number.

30644370909213 is a deficient number, since it is larger than the sum of its proper divisors (10239604414563).

30644370909213 is a wasteful number, since it uses less digits than its factorization.

30644370909213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891444.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 30644370909213 in words is "thirty trillion, six hundred forty-four billion, three hundred seventy million, nine hundred nine thousand, two hundred thirteen".