69534635243 has 2 divisors, whose sum is σ = 69534635244. Its totient is φ = 69534635242.

The previous prime is 69534635239. The next prime is 69534635249. The reversal of 69534635243 is 34253643596.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69534635243 - 2² = 69534635239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69534635191 and 69534635200.

It is not a weakly prime, because it can be changed into another prime (69534635249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34767317621 + 34767317622.

It is an arithmetic number, because the mean of its divisors is an integer number (34767317622).

Almost surely, 2^69534635243 is an apocalyptic number.

69534635243 is a deficient number, since it is larger than the sum of its proper divisors (1).

69534635243 is an equidigital number, since it uses as much as digits as its factorization.

69534635243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 50.

The spelling of 69534635243 in words is "sixty-nine billion, five hundred thirty-four million, six hundred thirty-five thousand, two hundred forty-three".