30747144416077 has 2 divisors, whose sum is σ = 30747144416078. Its totient is φ = 30747144416076.

The previous prime is 30747144416057. The next prime is 30747144416099. The reversal of 30747144416077 is 77061444174703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15981677248681 + 14765467167396 = 3997709^2 + 3842586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30747144416077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30747144416057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15373572208038 + 15373572208039.

It is an arithmetic number, because the mean of its divisors is an integer number (15373572208039).

Almost surely, 2^{30747144416077} is an apocalyptic number.

It is an amenable number.

30747144416077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30747144416077 is an equidigital number, since it uses as much as digits as its factorization.

30747144416077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11063808, while the sum is 55.

The spelling of 30747144416077 in words is "thirty trillion, seven hundred forty-seven billion, one hundred forty-four million, four hundred sixteen thousand, seventy-seven".