69368969 has 4 divisors (see below), whose sum is σ = 71243844. Its totient is φ = 67494096.

The previous prime is 69368963. The next prime is 69368977. The reversal of 69368969 is 96986396.

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 67043344 + 2325625 = 8188^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 69368969 - 2¹² = 69364873 is a prime.

It is a super-2 number, since 2×69368969² = 9624107720245922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69368963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937382 + ... + 937455.

It is an arithmetic number, because the mean of its divisors is an integer number (17810961).

Almost surely, 2^69368969 is an apocalyptic number.

It is an amenable number.

69368969 is a deficient number, since it is larger than the sum of its proper divisors (1874875).

69368969 is a wasteful number, since it uses less digits than its factorization.

69368969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874874.

The product of its digits is 3779136, while the sum is 56.

The square root of 69368969 is about 8328.8035755443. The cubic root of 69368969 is about 410.8863809795.

The spelling of 69368969 in words is "sixty-nine million, three hundred sixty-eight thousand, nine hundred sixty-nine".