30783811450801 has 2 divisors, whose sum is σ = 30783811450802. Its totient is φ = 30783811450800.

The previous prime is 30783811450781. The next prime is 30783811450829. The reversal of 30783811450801 is 10805411838703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25377907447201 + 5405904003600 = 5037649^2 + 2325060^2 .

It is an emirp because it is prime and its reverse (10805411838703) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30783811450801 is a prime.

It is not a weakly prime, because it can be changed into another prime (30783811150801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15391905725400 + 15391905725401.

It is an arithmetic number, because the mean of its divisors is an integer number (15391905725401).

Almost surely, 2^{30783811450801} is an apocalyptic number.

It is an amenable number.

30783811450801 is a deficient number, since it is larger than the sum of its proper divisors (1).

30783811450801 is an equidigital number, since it uses as much as digits as its factorization.

30783811450801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 30783811450801 in words is "thirty trillion, seven hundred eighty-three billion, eight hundred eleven million, four hundred fifty thousand, eight hundred one".