30390323641 has 2 divisors, whose sum is σ = 30390323642. Its totient is φ = 30390323640.

The previous prime is 30390323633. The next prime is 30390323669. The reversal of 30390323641 is 14632309303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17886387600 + 12503936041 = 133740^2 + 111821^2 .

It is a cyclic number.

It is not a de Polignac number, because 30390323641 - 2³ = 30390323633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30390323597 and 30390323606.

It is not a weakly prime, because it can be changed into another prime (30390321641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15195161820 + 15195161821.

It is an arithmetic number, because the mean of its divisors is an integer number (15195161821).

Almost surely, 2^30390323641 is an apocalyptic number.

It is an amenable number.

30390323641 is a deficient number, since it is larger than the sum of its proper divisors (1).

30390323641 is an equidigital number, since it uses as much as digits as its factorization.

30390323641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 30390323641 in words is "thirty billion, three hundred ninety million, three hundred twenty-three thousand, six hundred forty-one".