69423865920 has 336 divisors, whose sum is σ = 251894522880. Its totient is φ = 17501184000.

The previous prime is 69423865913. The next prime is 69423865921. The reversal of 69423865920 is 2956832496.

It is a happy number.

69423865920 is a `hidden beast` number, since 6 + 9 + 42 + 3 + 8 + 6 + 592 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (69423865921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32885665 + ... + 32887775.

It is an arithmetic number, because the mean of its divisors is an integer number (749686080).

Almost surely, 2^69423865920 is an apocalyptic number.

69423865920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69423865920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125947261440).

69423865920 is an abundant number, since it is smaller than the sum of its proper divisors (182470656960).

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

69423865920 is a wasteful number, since it uses less digits than its factorization.

69423865920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 69423865920 in words is "sixty-nine billion, four hundred twenty-three million, eight hundred sixty-five thousand, nine hundred twenty".