69811321241 has 2 divisors, whose sum is σ = 69811321242. Its totient is φ = 69811321240.

The previous prime is 69811321207. The next prime is 69811321409. The reversal of 69811321241 is 14212311896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59778294016 + 10033027225 = 244496^2 + 100165^2 .

It is a cyclic number.

It is not a de Polignac number, because 69811321241 - 2³⁴ = 52631452057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69811321195 and 69811321204.

It is not a weakly prime, because it can be changed into another prime (69811321201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34905660620 + 34905660621.

It is an arithmetic number, because the mean of its divisors is an integer number (34905660621).

Almost surely, 2^69811321241 is an apocalyptic number.

It is an amenable number.

69811321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

69811321241 is an equidigital number, since it uses as much as digits as its factorization.

69811321241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The spelling of 69811321241 in words is "sixty-nine billion, eight hundred eleven million, three hundred twenty-one thousand, two hundred forty-one".