69385441 has 2 divisors, whose sum is σ = 69385442. Its totient is φ = 69385440.

The previous prime is 69385423. The next prime is 69385469. The reversal of 69385441 is 14458396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 429025 = 8304^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 69385441 - 2¹³ = 69377249 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 69385394 and 69385403.

It is not a weakly prime, because it can be changed into another prime (69385741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34692720 + 34692721.

It is an arithmetic number, because the mean of its divisors is an integer number (34692721).

Almost surely, 2^69385441 is an apocalyptic number.

It is an amenable number.

69385441 is a deficient number, since it is larger than the sum of its proper divisors (1).

69385441 is an equidigital number, since it uses as much as digits as its factorization.

69385441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 69385441 is about 8329.7923743632. The cubic root of 69385441 is about 410.9189007307.

The spelling of 69385441 in words is "sixty-nine million, three hundred eighty-five thousand, four hundred forty-one".