65223809398 has 8 divisors (see below), whose sum is σ = 106729869960. Its totient is φ = 29647186080.

The previous prime is 65223809369. The next prime is 65223809437. The reversal of 65223809398 is 89390832256.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482359283 + ... + 1482359326.

It is an arithmetic number, because the mean of its divisors is an integer number (13341233745).

Almost surely, 2^65223809398 is an apocalyptic number.

65223809398 is a deficient number, since it is larger than the sum of its proper divisors (41506060562).

65223809398 is a wasteful number, since it uses less digits than its factorization.

65223809398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964718622.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 65223809398 in words is "sixty-five billion, two hundred twenty-three million, eight hundred nine thousand, three hundred ninety-eight".