30006661441 has 2 divisors, whose sum is σ = 30006661442. Its totient is φ = 30006661440.

The previous prime is 30006661439. The next prime is 30006661453. The reversal of 30006661441 is 14416660003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29112890625 + 893770816 = 170625^2 + 29896^2 .

It is a cyclic number.

It is not a de Polignac number, because 30006661441 - 2¹ = 30006661439 is a prime.

Together with 30006661439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30006661471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15003330720 + 15003330721.

It is an arithmetic number, because the mean of its divisors is an integer number (15003330721).

Almost surely, 2^30006661441 is an apocalyptic number.

It is an amenable number.

30006661441 is a deficient number, since it is larger than the sum of its proper divisors (1).

30006661441 is an equidigital number, since it uses as much as digits as its factorization.

30006661441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 30006661441 in words is "thirty billion, six million, six hundred sixty-one thousand, four hundred forty-one".