69049225728 has 450 divisors, whose sum is σ = 235460404179. Its totient is φ = 19478624256.

The previous prime is 69049225711. The next prime is 69049225759. The reversal of 69049225728 is 82752294096.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

69049225728 is a `hidden beast` number, since 6 + 9 + 0 + 49 + 22 + 572 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34524612864 + 34524612864 = 185808^2 + 185808^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185808.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 874040793 + ... + 874040871.

Almost surely, 2^69049225728 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 69049225728

69049225728 is an abundant number, since it is smaller than the sum of its proper divisors (166411178451).

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

69049225728 is an frugal number, since it uses more digits than its factorization.

69049225728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 91 counting only the distinct ones).

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

The spelling of 69049225728 in words is "sixty-nine billion, forty-nine million, two hundred twenty-five thousand, seven hundred twenty-eight".