69644841241 has 2 divisors, whose sum is σ = 69644841242. Its totient is φ = 69644841240.

The previous prime is 69644841223. The next prime is 69644841283. The reversal of 69644841241 is 14214844696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48611430400 + 21033410841 = 220480^2 + 145029^2 .

It is a cyclic number.

It is not a de Polignac number, because 69644841241 - 2⁵ = 69644841209 is a prime.

It is a super-2 number, since 2×69644841241² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69644847241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34822420620 + 34822420621.

It is an arithmetic number, because the mean of its divisors is an integer number (34822420621).

Almost surely, 2^69644841241 is an apocalyptic number.

It is an amenable number.

69644841241 is a deficient number, since it is larger than the sum of its proper divisors (1).

69644841241 is an equidigital number, since it uses as much as digits as its factorization.

69644841241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 49.

The spelling of 69644841241 in words is "sixty-nine billion, six hundred forty-four million, eight hundred forty-one thousand, two hundred forty-one".