69213813 has 8 divisors (see below), whose sum is σ = 94026528. Its totient is φ = 45271824.

The previous prime is 69213811. The next prime is 69213821. The reversal of 69213813 is 31831296.

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

It is not a de Polignac number, because 69213813 - 2¹ = 69213811 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69213811) 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 7 ways as a sum of consecutive naturals, for example, 217495 + ... + 217812.

It is an arithmetic number, because the mean of its divisors is an integer number (11753316).

Almost surely, 2^69213813 is an apocalyptic number.

It is an amenable number.

69213813 is a deficient number, since it is larger than the sum of its proper divisors (24812715).

69213813 is a wasteful number, since it uses less digits than its factorization.

69213813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435363.

The product of its digits is 7776, while the sum is 33.

The square root of 69213813 is about 8319.4839383221. The cubic root of 69213813 is about 410.5798122169.

The spelling of 69213813 in words is "sixty-nine million, two hundred thirteen thousand, eight hundred thirteen".