975754766681 has 2 divisors, whose sum is σ = 975754766682. Its totient is φ = 975754766680.

The previous prime is 975754766671. The next prime is 975754766713. The reversal of 975754766681 is 186667457579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539256704281 + 436498062400 = 734341^2 + 660680^2 .

It is a cyclic number.

It is not a de Polignac number, because 975754766681 - 2⁶ = 975754766617 is a prime.

It is a super-2 number, since 2×975754766681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (975754766671) 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, 487877383340 + 487877383341.

It is an arithmetic number, because the mean of its divisors is an integer number (487877383341).

Almost surely, 2^975754766681 is an apocalyptic number.

It is an amenable number.

975754766681 is a deficient number, since it is larger than the sum of its proper divisors (1).

975754766681 is an equidigital number, since it uses as much as digits as its factorization.

975754766681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 533433600, while the sum is 71.

The spelling of 975754766681 in words is "nine hundred seventy-five billion, seven hundred fifty-four million, seven hundred sixty-six thousand, six hundred eighty-one".