7097546476561 has 2 divisors, whose sum is σ = 7097546476562. Its totient is φ = 7097546476560.

The previous prime is 7097546476541. The next prime is 7097546476571. The reversal of 7097546476561 is 1656746457907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5005314409536 + 2092232067025 = 2237256^2 + 1446455^2 .

It is a cyclic number.

It is not a de Polignac number, because 7097546476561 - 2⁵ = 7097546476529 is a prime.

It is not a weakly prime, because it can be changed into another prime (7097546476541) 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, 3548773238280 + 3548773238281.

It is an arithmetic number, because the mean of its divisors is an integer number (3548773238281).

Almost surely, 2^{7097546476561} is an apocalyptic number.

It is an amenable number.

7097546476561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7097546476561 is an equidigital number, since it uses as much as digits as its factorization.

7097546476561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 266716800, while the sum is 67.

The spelling of 7097546476561 in words is "seven trillion, ninety-seven billion, five hundred forty-six million, four hundred seventy-six thousand, five hundred sixty-one".