30769113444281 has 2 divisors, whose sum is σ = 30769113444282. Its totient is φ = 30769113444280.

The previous prime is 30769113444269. The next prime is 30769113444283. The reversal of 30769113444281 is 18244431196703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23840847178681 + 6928266265600 = 4882709^2 + 2632160^2 .

It is an emirp because it is prime and its reverse (18244431196703) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30769113444281 is a prime.

It is a super-2 number, since 2×30769113444281² (a number of 28 digits) contains 22 as substring.

Together with 30769113444283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30769113444283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15384556722140 + 15384556722141.

It is an arithmetic number, because the mean of its divisors is an integer number (15384556722141).

Almost surely, 2^{30769113444281} is an apocalyptic number.

It is an amenable number.

30769113444281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30769113444281 is an equidigital number, since it uses as much as digits as its factorization.

30769113444281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 30769113444281 in words is "thirty trillion, seven hundred sixty-nine billion, one hundred thirteen million, four hundred forty-four thousand, two hundred eighty-one".