69042950784 has 96 divisors (see below), whose sum is σ = 198846098100. Its totient is φ = 22994878464.

The previous prime is 69042950777. The next prime is 69042950797. The reversal of 69042950784 is 48705924096.

69042950784 is a `hidden beast` number, since 6 + 90 + 42 + 9 + 507 + 8 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60929985600 + 8112965184 = 246840^2 + 90072^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 69042950784.

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 11 ways as a sum of consecutive naturals, for example, 1372672 + ... + 1422080.

Almost surely, 2^69042950784 is an apocalyptic number.

69042950784 is a gapful number since it is divisible by the number (64) 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 69042950784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99423049050).

69042950784 is an abundant number, since it is smaller than the sum of its proper divisors (129803147316).

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

69042950784 is a wasteful number, since it uses less digits than its factorization.

69042950784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50642 (or 50627 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 69042950784 in words is "sixty-nine billion, forty-two million, nine hundred fifty thousand, seven hundred eighty-four".