69000069 has 16 divisors (see below), whose sum is σ = 96960384. Its totient is φ = 43560000.

The previous prime is 69000067. The next prime is 69000091. The reversal of 69000069 is 96000096.

It is not a de Polignac number, because 69000069 - 2¹ = 69000067 is a prime.

It is a super-2 number, since 2×69000069² = 9522019044009522, which contains 22 as substring.

69000069 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69000067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (6060024).

Almost surely, 2^69000069 is an apocalyptic number.

69000069 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

69000069 is a deficient number, since it is larger than the sum of its proper divisors (27960315).

69000069 is a wasteful number, since it uses less digits than its factorization.

69000069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 69000069 is about 8306.6280162290. The cubic root of 69000069 is about 410.1567296891.

It can be divided in two parts, 690000 and 69, that multiplied together give a square (47610000 = 6900²).

The spelling of 69000069 in words is "sixty-nine million, sixty-nine", and thus it is an aban number and an uban number.