69068869 has 4 divisors (see below), whose sum is σ = 69243244. Its totient is φ = 68894496.

The previous prime is 69068863. The next prime is 69068873. The reversal of 69068869 is 96886096.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45400644 + 23668225 = 6738^2 + 4865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69068869 is a prime.

It is a super-2 number, since 2×69068869² = 9541017329878322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69068863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86592 + ... + 87385.

It is an arithmetic number, because the mean of its divisors is an integer number (17310811).

Almost surely, 2^69068869 is an apocalyptic number.

It is an amenable number.

69068869 is a deficient number, since it is larger than the sum of its proper divisors (174375).

69068869 is a wasteful number, since it uses less digits than its factorization.

69068869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174374.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 69068869 is about 8310.7682557030. The cubic root of 69068869 is about 410.2930068919.

The spelling of 69068869 in words is "sixty-nine million, sixty-eight thousand, eight hundred sixty-nine".