9540762322561 has 2 divisors, whose sum is σ = 9540762322562. Its totient is φ = 9540762322560.

The previous prime is 9540762322549. The next prime is 9540762322579. The reversal of 9540762322561 is 1652232670459.

9540762322561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6061045162561 + 3479717160000 = 2461919^2 + 1865400^2 .

It is a cyclic number.

It is not a de Polignac number, because 9540762322561 - 2⁵ = 9540762322529 is a prime.

It is a super-2 number, since 2×9540762322561² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9540762322499 and 9540762322508.

It is not a weakly prime, because it can be changed into another prime (9540762322261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770381161280 + 4770381161281.

It is an arithmetic number, because the mean of its divisors is an integer number (4770381161281).

Almost surely, 2^{9540762322561} is an apocalyptic number.

It is an amenable number.

9540762322561 is a deficient number, since it is larger than the sum of its proper divisors (1).

9540762322561 is an equidigital number, since it uses as much as digits as its factorization.

9540762322561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 9540762322561 in words is "nine trillion, five hundred forty billion, seven hundred sixty-two million, three hundred twenty-two thousand, five hundred sixty-one".