30144062561 has 2 divisors, whose sum is σ = 30144062562. Its totient is φ = 30144062560.

The previous prime is 30144062549. The next prime is 30144062563. The reversal of 30144062561 is 16526044103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24623572561 + 5520490000 = 156919^2 + 74300^2 .

It is an emirp because it is prime and its reverse (16526044103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30144062561 - 2²² = 30139868257 is a prime.

Together with 30144062563, 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 (30144062563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072031280 + 15072031281.

It is an arithmetic number, because the mean of its divisors is an integer number (15072031281).

Almost surely, 2^30144062561 is an apocalyptic number.

It is an amenable number.

30144062561 is a deficient number, since it is larger than the sum of its proper divisors (1).

30144062561 is an equidigital number, since it uses as much as digits as its factorization.

30144062561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 30144062561 in words is "thirty billion, one hundred forty-four million, sixty-two thousand, five hundred sixty-one".