30591840023993 has 2 divisors, whose sum is σ = 30591840023994. Its totient is φ = 30591840023992.

The previous prime is 30591840023981. The next prime is 30591840024007. The reversal of 30591840023993 is 39932004819503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30364155495424 + 227684528569 = 5510368^2 + 477163^2 .

It is a cyclic number.

It is not a de Polignac number, because 30591840023993 - 2²⁰ = 30591838975417 is a prime.

It is not a weakly prime, because it can be changed into another prime (30591840028993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15295920011996 + 15295920011997.

It is an arithmetic number, because the mean of its divisors is an integer number (15295920011997).

Almost surely, 2^{30591840023993} is an apocalyptic number.

It is an amenable number.

30591840023993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30591840023993 is an equidigital number, since it uses as much as digits as its factorization.

30591840023993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 30591840023993 in words is "thirty trillion, five hundred ninety-one billion, eight hundred forty million, twenty-three thousand, nine hundred ninety-three".