69468569 has 4 divisors (see below), whose sum is σ = 70607460. Its totient is φ = 68329680.

The previous prime is 69468563. The next prime is 69468589. The reversal of 69468569 is 96586496.

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 22202944 + 47265625 = 4712^2 + 6875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69468569 is a prime.

It is a super-2 number, since 2×69468569² = 9651764157815522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69468569.

It is not an unprimeable number, because it can be changed into a prime (69468563) 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, 569354 + ... + 569475.

It is an arithmetic number, because the mean of its divisors is an integer number (17651865).

Almost surely, 2^69468569 is an apocalyptic number.

It is an amenable number.

69468569 is a deficient number, since it is larger than the sum of its proper divisors (1138891).

69468569 is a wasteful number, since it uses less digits than its factorization.

69468569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138890.

The product of its digits is 2799360, while the sum is 53.

The square root of 69468569 is about 8334.7806809778. The cubic root of 69468569 is about 411.0829372273.

The spelling of 69468569 in words is "sixty-nine million, four hundred sixty-eight thousand, five hundred sixty-nine".