69213489 has 8 divisors (see below), whose sum is σ = 92323872. Its totient is φ = 46122720.

The previous prime is 69213481. The next prime is 69213493. The reversal of 69213489 is 98431296.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69213489 - 2³ = 69213481 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 69213489.

It is not an unprimeable number, because it can be changed into a prime (69213481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (11540484).

Almost surely, 2^69213489 is an apocalyptic number.

It is an amenable number.

69213489 is a deficient number, since it is larger than the sum of its proper divisors (23110383).

69213489 is a wasteful number, since it uses less digits than its factorization.

69213489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9807.

The product of its digits is 93312, while the sum is 42.

The square root of 69213489 is about 8319.4644659377. The cubic root of 69213489 is about 410.5791715544.

The spelling of 69213489 in words is "sixty-nine million, two hundred thirteen thousand, four hundred eighty-nine".