69424223728 has 120 divisors (see below), whose sum is σ = 148408536960. Its totient is φ = 31366742400.

The previous prime is 69424223683. The next prime is 69424223777. The reversal of 69424223728 is 82732242496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20740551 + ... + 20743897.

It is an arithmetic number, because the mean of its divisors is an integer number (1236737808).

Almost surely, 2^69424223728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69424223728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74204268480).

69424223728 is an abundant number, since it is smaller than the sum of its proper divisors (78984313232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69424223728 is a wasteful number, since it uses less digits than its factorization.

69424223728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507 (or 3470 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 69424223728 in words is "sixty-nine billion, four hundred twenty-four million, two hundred twenty-three thousand, seven hundred twenty-eight".