69894516384 has 480 divisors, whose sum is σ = 260526575232. Its totient is φ = 17853696000.

The previous prime is 69894516301. The next prime is 69894516401. The reversal of 69894516384 is 48361549896.

69894516384 is a `hidden beast` number, since 6 + 9 + 89 + 4 + 516 + 38 + 4 = 666.

It is a super-3 number, since 3×69894516384³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 79 ways as a sum of consecutive naturals, for example, 12171754 + ... + 12177494.

Almost surely, 2^69894516384 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 69894516384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130263287616).

69894516384 is an abundant number, since it is smaller than the sum of its proper divisors (190632058848).

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

69894516384 is a wasteful number, since it uses less digits than its factorization.

69894516384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842 (or 5825 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 69894516384 in words is "sixty-nine billion, eight hundred ninety-four million, five hundred sixteen thousand, three hundred eighty-four".