996806042773 has 2 divisors, whose sum is σ = 996806042774. Its totient is φ = 996806042772.

The previous prime is 996806042731. The next prime is 996806042779. The reversal of 996806042773 is 377240608699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881536965604 + 115269077169 = 938902^2 + 339513^2 .

It is a cyclic number.

It is not a de Polignac number, because 996806042773 - 2⁹ = 996806042261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996806042779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498403021386 + 498403021387.

It is an arithmetic number, because the mean of its divisors is an integer number (498403021387).

Almost surely, 2^996806042773 is an apocalyptic number.

It is an amenable number.

996806042773 is a deficient number, since it is larger than the sum of its proper divisors (1).

996806042773 is an equidigital number, since it uses as much as digits as its factorization.

996806042773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 996806042773 in words is "nine hundred ninety-six billion, eight hundred six million, forty-two thousand, seven hundred seventy-three".