180475334863 has 2 divisors, whose sum is σ = 180475334864. Its totient is φ = 180475334862.

The previous prime is 180475334759. The next prime is 180475334869. The reversal of 180475334863 is 368433574081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180475334863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180475334863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180475334869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90237667431 + 90237667432.

It is an arithmetic number, because the mean of its divisors is an integer number (90237667432).

Almost surely, 2^180475334863 is an apocalyptic number.

180475334863 is a deficient number, since it is larger than the sum of its proper divisors (1).

180475334863 is an equidigital number, since it uses as much as digits as its factorization.

180475334863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 180475334863 in words is "one hundred eighty billion, four hundred seventy-five million, three hundred thirty-four thousand, eight hundred sixty-three".