30406081912897 has 2 divisors, whose sum is σ = 30406081912898. Its totient is φ = 30406081912896.

The previous prime is 30406081912873. The next prime is 30406081912949. The reversal of 30406081912897 is 79821918060403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19199549029441 + 11206532883456 = 4381729^2 + 3347616^2 .

It is a cyclic number.

It is not a de Polignac number, because 30406081912897 - 2¹⁵ = 30406081880129 is a prime.

It is a super-3 number, since 3×30406081912897³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30406081912807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15203040956448 + 15203040956449.

It is an arithmetic number, because the mean of its divisors is an integer number (15203040956449).

Almost surely, 2^{30406081912897} is an apocalyptic number.

It is an amenable number.

30406081912897 is a deficient number, since it is larger than the sum of its proper divisors (1).

30406081912897 is an equidigital number, since it uses as much as digits as its factorization.

30406081912897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 30406081912897 in words is "thirty trillion, four hundred six billion, eighty-one million, nine hundred twelve thousand, eight hundred ninety-seven".