69792216050 has 18 divisors (see below), whose sum is σ = 129816996519. Its totient is φ = 27916139200.

The previous prime is 69792216047. The next prime is 69792216073. The reversal of 69792216050 is 5061229796.

It can be written as a sum of positive squares in 5 ways, for example, as 38770791409 + 31021424641 = 196903^2 + 176129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=186805.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 69792215986 and 69792216004.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1849370 + ... + 1886730.

Almost surely, 2^69792216050 is an apocalyptic number.

69792216050 is a deficient number, since it is larger than the sum of its proper divisors (60024780469).

69792216050 is an frugal number, since it uses more digits than its factorization.

69792216050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74734 (or 37368 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 69792216050 in words is "sixty-nine billion, seven hundred ninety-two million, two hundred sixteen thousand, fifty".