69632626561 has 2 divisors, whose sum is σ = 69632626562. Its totient is φ = 69632626560.

The previous prime is 69632626489. The next prime is 69632626619. The reversal of 69632626561 is 16562623696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67019372161 + 2613254400 = 258881^2 + 51120^2 .

It is a cyclic number.

It is not a de Polignac number, because 69632626561 - 2¹¹ = 69632624513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69632626499 and 69632626508.

It is not a weakly prime, because it can be changed into another prime (69633626561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34816313280 + 34816313281.

It is an arithmetic number, because the mean of its divisors is an integer number (34816313281).

Almost surely, 2^69632626561 is an apocalyptic number.

It is an amenable number.

69632626561 is a deficient number, since it is larger than the sum of its proper divisors (1).

69632626561 is an equidigital number, since it uses as much as digits as its factorization.

69632626561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 52.

The spelling of 69632626561 in words is "sixty-nine billion, six hundred thirty-two million, six hundred twenty-six thousand, five hundred sixty-one".