30068991590381 has 2 divisors, whose sum is σ = 30068991590382. Its totient is φ = 30068991590380.

The previous prime is 30068991590377. The next prime is 30068991590531. The reversal of 30068991590381 is 18309519986003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20133698469481 + 9935293120900 = 4487059^2 + 3152030^2 .

It is an emirp because it is prime and its reverse (18309519986003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30068991590381 - 2² = 30068991590377 is a prime.

It is a super-2 number, since 2×30068991590381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30068991590321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034495795190 + 15034495795191.

It is an arithmetic number, because the mean of its divisors is an integer number (15034495795191).

Almost surely, 2^{30068991590381} is an apocalyptic number.

It is an amenable number.

30068991590381 is a deficient number, since it is larger than the sum of its proper divisors (1).

30068991590381 is an equidigital number, since it uses as much as digits as its factorization.

30068991590381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 30068991590381 in words is "thirty trillion, sixty-eight billion, nine hundred ninety-one million, five hundred ninety thousand, three hundred eighty-one".