30664224661021 has 4 divisors (see below), whose sum is σ = 35044828184032. Its totient is φ = 26283621138012.

The previous prime is 30664224661013. The next prime is 30664224661079. The reversal of 30664224661021 is 12016642246603.

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 not a de Polignac number, because 30664224661021 - 2³ = 30664224661013 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 (30664224061021) 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, 2190301761495 + ... + 2190301761508.

It is an arithmetic number, because the mean of its divisors is an integer number (8761207046008).

Almost surely, 2^{30664224661021} is an apocalyptic number.

It is an amenable number.

30664224661021 is a deficient number, since it is larger than the sum of its proper divisors (4380603523011).

30664224661021 is an equidigital number, since it uses as much as digits as its factorization.

30664224661021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380603523010.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 30664224661021 in words is "thirty trillion, six hundred sixty-four billion, two hundred twenty-four million, six hundred sixty-one thousand, twenty-one".