71630667525143 has 2 divisors, whose sum is σ = 71630667525144. Its totient is φ = 71630667525142.

The previous prime is 71630667525139. The next prime is 71630667525187. The reversal of 71630667525143 is 34152576603617.

It is a weak prime.

It is an emirp because it is prime and its reverse (34152576603617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71630667525143 - 2² = 71630667525139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71630667525113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35815333762571 + 35815333762572.

It is an arithmetic number, because the mean of its divisors is an integer number (35815333762572).

Almost surely, 2^{71630667525143} is an apocalyptic number.

71630667525143 is a deficient number, since it is larger than the sum of its proper divisors (1).

71630667525143 is an equidigital number, since it uses as much as digits as its factorization.

71630667525143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 71630667525143 in words is "seventy-one trillion, six hundred thirty billion, six hundred sixty-seven million, five hundred twenty-five thousand, one hundred forty-three".