9857051297 has 2 divisors, whose sum is σ = 9857051298. Its totient is φ = 9857051296.

The previous prime is 9857051291. The next prime is 9857051417. The reversal of 9857051297 is 7921507589.

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., 6077137936 + 3779913361 = 77956^2 + 61481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9857051297 - 2¹⁸ = 9856789153 is a prime.

It is a super-2 number, since 2×9857051297² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9857051291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4928525648 + 4928525649.

It is an arithmetic number, because the mean of its divisors is an integer number (4928525649).

Almost surely, 2^9857051297 is an apocalyptic number.

It is an amenable number.

9857051297 is a deficient number, since it is larger than the sum of its proper divisors (1).

9857051297 is an equidigital number, since it uses as much as digits as its factorization.

9857051297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The square root of 9857051297 is about 99282.6837721463. The cubic root of 9857051297 is about 2144.1195936279.

The spelling of 9857051297 in words is "nine billion, eight hundred fifty-seven million, fifty-one thousand, two hundred ninety-seven".