957242862809 has 2 divisors, whose sum is σ = 957242862810. Its totient is φ = 957242862808.

The previous prime is 957242862773. The next prime is 957242862887. The reversal of 957242862809 is 908268242759.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796606230784 + 160636632025 = 892528^2 + 400795^2 .

It is an emirp because it is prime and its reverse (908268242759) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 957242862809 - 2¹² = 957242858713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (957242862109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478621431404 + 478621431405.

It is an arithmetic number, because the mean of its divisors is an integer number (478621431405).

Almost surely, 2^957242862809 is an apocalyptic number.

It is an amenable number.

957242862809 is a deficient number, since it is larger than the sum of its proper divisors (1).

957242862809 is an equidigital number, since it uses as much as digits as its factorization.

957242862809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 957242862809 in words is "nine hundred fifty-seven billion, two hundred forty-two million, eight hundred sixty-two thousand, eight hundred nine".