30666086430481 has 2 divisors, whose sum is σ = 30666086430482. Its totient is φ = 30666086430480.

The previous prime is 30666086430437. The next prime is 30666086430503. The reversal of 30666086430481 is 18403468066603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27645039201025 + 3021047229456 = 5257855^2 + 1738116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30666086430481 is a prime.

It is a super-2 number, since 2×30666086430481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30666086430781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333043215240 + 15333043215241.

It is an arithmetic number, because the mean of its divisors is an integer number (15333043215241).

Almost surely, 2^{30666086430481} is an apocalyptic number.

It is an amenable number.

30666086430481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30666086430481 is an equidigital number, since it uses as much as digits as its factorization.

30666086430481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 30666086430481 in words is "thirty trillion, six hundred sixty-six billion, eighty-six million, four hundred thirty thousand, four hundred eighty-one".