447774075515141 has 2 divisors, whose sum is σ = 447774075515142. Its totient is φ = 447774075515140.

The previous prime is 447774075515093. The next prime is 447774075515177. The reversal of 447774075515141 is 141515570477744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257071647170116 + 190702428345025 = 16033454^2 + 13809505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447774075515141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447774075511141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223887037757570 + 223887037757571.

It is an arithmetic number, because the mean of its divisors is an integer number (223887037757571).

Almost surely, 2^{447774075515141} is an apocalyptic number.

It is an amenable number.

447774075515141 is a deficient number, since it is larger than the sum of its proper divisors (1).

447774075515141 is an equidigital number, since it uses as much as digits as its factorization.

447774075515141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76832000, while the sum is 62.

The spelling of 447774075515141 in words is "four hundred forty-seven trillion, seven hundred seventy-four billion, seventy-five million, five hundred fifteen thousand, one hundred forty-one".