69730216555 has 4 divisors (see below), whose sum is σ = 83676259872. Its totient is φ = 55784173240.

The previous prime is 69730216547. The next prime is 69730216561. The reversal of 69730216555 is 55561203796.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 69730216555 - 2³ = 69730216547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69730216499 and 69730216508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6973021651 + ... + 6973021660.

It is an arithmetic number, because the mean of its divisors is an integer number (20919064968).

Almost surely, 2^69730216555 is an apocalyptic number.

69730216555 is a deficient number, since it is larger than the sum of its proper divisors (13946043317).

69730216555 is a wasteful number, since it uses less digits than its factorization.

69730216555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13946043316.

The product of its (nonzero) digits is 1701000, while the sum is 49.

The spelling of 69730216555 in words is "sixty-nine billion, seven hundred thirty million, two hundred sixteen thousand, five hundred fifty-five".