69530869 has 2 divisors, whose sum is σ = 69530870. Its totient is φ = 69530868.

The previous prime is 69530831. The next prime is 69530887. The reversal of 69530869 is 96803596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 26471025 = 6562^2 + 5145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69530869 is a prime.

It is a super-2 number, since 2×69530869² = 9669083487790322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69530569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34765434 + 34765435.

It is an arithmetic number, because the mean of its divisors is an integer number (34765435).

Almost surely, 2^69530869 is an apocalyptic number.

It is an amenable number.

69530869 is a deficient number, since it is larger than the sum of its proper divisors (1).

69530869 is an equidigital number, since it uses as much as digits as its factorization.

69530869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 69530869 is about 8338.5171943218. The cubic root of 69530869 is about 411.2057880613.

The spelling of 69530869 in words is "sixty-nine million, five hundred thirty thousand, eight hundred sixty-nine".