10657943332609 has 2 divisors, whose sum is σ = 10657943332610. Its totient is φ = 10657943332608.

The previous prime is 10657943332573. The next prime is 10657943332639. The reversal of 10657943332609 is 90623334975601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8825296147600 + 1832647185009 = 2970740^2 + 1353753^2 .

It is a cyclic number.

It is not a de Polignac number, because 10657943332609 - 2³⁷ = 10520504379137 is a prime.

It is a super-2 number, since 2×10657943332609² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10657943332639) 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, 5328971666304 + 5328971666305.

It is an arithmetic number, because the mean of its divisors is an integer number (5328971666305).

Almost surely, 2^{10657943332609} is an apocalyptic number.

It is an amenable number.

10657943332609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10657943332609 is an equidigital number, since it uses as much as digits as its factorization.

10657943332609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 58.

The spelling of 10657943332609 in words is "ten trillion, six hundred fifty-seven billion, nine hundred forty-three million, three hundred thirty-two thousand, six hundred nine".