285460549017997 has 2 divisors, whose sum is σ = 285460549017998. Its totient is φ = 285460549017996.

The previous prime is 285460549017947. The next prime is 285460549018009. The reversal of 285460549017997 is 799710945064582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279732515742436 + 5728033275561 = 16725206^2 + 2393331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285460549017997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285460549017937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142730274508998 + 142730274508999.

It is an arithmetic number, because the mean of its divisors is an integer number (142730274508999).

Almost surely, 2^{285460549017997} is an apocalyptic number.

It is an amenable number.

285460549017997 is a deficient number, since it is larger than the sum of its proper divisors (1).

285460549017997 is an equidigital number, since it uses as much as digits as its factorization.

285460549017997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1371686400, while the sum is 76.

The spelling of 285460549017997 in words is "two hundred eighty-five trillion, four hundred sixty billion, five hundred forty-nine million, seventeen thousand, nine hundred ninety-seven".