992521277609 has 2 divisors, whose sum is σ = 992521277610. Its totient is φ = 992521277608.

The previous prime is 992521277581. The next prime is 992521277633. The reversal of 992521277609 is 906772125299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775197485209 + 217323792400 = 880453^2 + 466180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992521277609 is a prime.

It is not a weakly prime, because it can be changed into another prime (992521274609) 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, 496260638804 + 496260638805.

It is an arithmetic number, because the mean of its divisors is an integer number (496260638805).

Almost surely, 2^992521277609 is an apocalyptic number.

It is an amenable number.

992521277609 is a deficient number, since it is larger than the sum of its proper divisors (1).

992521277609 is an equidigital number, since it uses as much as digits as its factorization.

992521277609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 992521277609 in words is "nine hundred ninety-two billion, five hundred twenty-one million, two hundred seventy-seven thousand, six hundred nine".