30333641993 has 2 divisors, whose sum is σ = 30333641994. Its totient is φ = 30333641992.

The previous prime is 30333641971. The next prime is 30333642019. The reversal of 30333641993 is 39914633303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26651215504 + 3682426489 = 163252^2 + 60683^2 .

It is a cyclic number.

It is not a de Polignac number, because 30333641993 - 2¹⁰ = 30333640969 is a prime.

It is not a weakly prime, because it can be changed into another prime (30333641963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166820996 + 15166820997.

It is an arithmetic number, because the mean of its divisors is an integer number (15166820997).

Almost surely, 2^30333641993 is an apocalyptic number.

It is an amenable number.

30333641993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30333641993 is an equidigital number, since it uses as much as digits as its factorization.

30333641993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 44.

The spelling of 30333641993 in words is "thirty billion, three hundred thirty-three million, six hundred forty-one thousand, nine hundred ninety-three".