69644380680 has 384 divisors, whose sum is σ = 278634470400. Its totient is φ = 14729734656.

The previous prime is 69644380679. The next prime is 69644380691. The reversal of 69644380680 is 8608344696.

69644380680 is a `hidden beast` number, since 69 + 6 + 443 + 80 + 68 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 2041927 + ... + 2075753.

It is an arithmetic number, because the mean of its divisors is an integer number (725610600).

Almost surely, 2^69644380680 is an apocalyptic number.

69644380680 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 69644380680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139317235200).

69644380680 is an abundant number, since it is smaller than the sum of its proper divisors (208990089720).

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

69644380680 is a wasteful number, since it uses less digits than its factorization.

69644380680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33913 (or 33906 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 69644380680 in words is "sixty-nine billion, six hundred forty-four million, three hundred eighty thousand, six hundred eighty".