995981340201773 has 2 divisors, whose sum is σ = 995981340201774. Its totient is φ = 995981340201772.

The previous prime is 995981340201763. The next prime is 995981340201791. The reversal of 995981340201773 is 377102043189599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910630386282409 + 85350953919364 = 30176653^2 + 9238558^2 .

It is a cyclic number.

It is not a de Polignac number, because 995981340201773 - 2¹⁴ = 995981340185389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995981340201703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497990670100886 + 497990670100887.

It is an arithmetic number, because the mean of its divisors is an integer number (497990670100887).

Almost surely, 2^{995981340201773} is an apocalyptic number.

It is an amenable number.

995981340201773 is a deficient number, since it is larger than the sum of its proper divisors (1).

995981340201773 is an equidigital number, since it uses as much as digits as its factorization.

995981340201773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 995981340201773 in words is "nine hundred ninety-five trillion, nine hundred eighty-one billion, three hundred forty million, two hundred one thousand, seven hundred seventy-three".