69781130496 has 648 divisors, whose sum is σ = 258779181024. Its totient is φ = 17880145920.

The previous prime is 69781130467. The next prime is 69781130519. The reversal of 69781130496 is 69403118796.

69781130496 is a `hidden beast` number, since 69 + 7 + 81 + 13 + 0 + 496 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103073710 + ... + 103074386.

It is an arithmetic number, because the mean of its divisors is an integer number (399350588).

Almost surely, 2^69781130496 is an apocalyptic number.

69781130496 is a gapful number since it is divisible by the number (66) 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 69781130496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129389590512).

69781130496 is an abundant number, since it is smaller than the sum of its proper divisors (188998050528).

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

69781130496 is a wasteful number, since it uses less digits than its factorization.

69781130496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 69781130496 in words is "sixty-nine billion, seven hundred eighty-one million, one hundred thirty thousand, four hundred ninety-six".