30390323669 has 2 divisors, whose sum is σ = 30390323670. Its totient is φ = 30390323668.

The previous prime is 30390323641. The next prime is 30390323773. The reversal of 30390323669 is 96632309303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27047749444 + 3342574225 = 164462^2 + 57815^2 .

It is a cyclic number.

It is not a de Polignac number, because 30390323669 - 2²⁸ = 30121888213 is a prime.

It is a super-2 number, since 2×30390323669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30390323609) 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, 15195161834 + 15195161835.

It is an arithmetic number, because the mean of its divisors is an integer number (15195161835).

Almost surely, 2^30390323669 is an apocalyptic number.

It is an amenable number.

30390323669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30390323669 is an equidigital number, since it uses as much as digits as its factorization.

30390323669 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 30390323669 in words is "thirty billion, three hundred ninety million, three hundred twenty-three thousand, six hundred sixty-nine".