999076213061 has 2 divisors, whose sum is σ = 999076213062. Its totient is φ = 999076213060.

The previous prime is 999076213049. The next prime is 999076213099. The reversal of 999076213061 is 160312670999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651676780225 + 347399432836 = 807265^2 + 589406^2 .

It is a cyclic number.

It is not a de Polignac number, because 999076213061 - 2¹⁰ = 999076212037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999076212994 and 999076213012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999076210061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499538106530 + 499538106531.

It is an arithmetic number, because the mean of its divisors is an integer number (499538106531).

Almost surely, 2^999076213061 is an apocalyptic number.

It is an amenable number.

999076213061 is a deficient number, since it is larger than the sum of its proper divisors (1).

999076213061 is an equidigital number, since it uses as much as digits as its factorization.

999076213061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The spelling of 999076213061 in words is "nine hundred ninety-nine billion, seventy-six million, two hundred thirteen thousand, sixty-one".