30666086430437 has 2 divisors, whose sum is σ = 30666086430438. Its totient is φ = 30666086430436.

The previous prime is 30666086430403. The next prime is 30666086430481. The reversal of 30666086430437 is 73403468066603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28005253416001 + 2660833014436 = 5291999^2 + 1631206^2 .

It is an emirp because it is prime and its reverse (73403468066603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30666086430437 - 2¹² = 30666086426341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30666086430737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333043215218 + 15333043215219.

It is an arithmetic number, because the mean of its divisors is an integer number (15333043215219).

Almost surely, 2^{30666086430437} is an apocalyptic number.

It is an amenable number.

30666086430437 is a deficient number, since it is larger than the sum of its proper divisors (1).

30666086430437 is an equidigital number, since it uses as much as digits as its factorization.

30666086430437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 56.

The spelling of 30666086430437 in words is "thirty trillion, six hundred sixty-six billion, eighty-six million, four hundred thirty thousand, four hundred thirty-seven".