239349906756 has 81 divisors (see below), whose sum is σ = 614693442909. Its totient is φ = 78527927808.

The previous prime is 239349906749. The next prime is 239349906773. The reversal of 239349906756 is 657609943932.

The square root of 239349906756 is 489234.

It is a perfect power (a square), and thus also a powerful number.

239349906756 is a `hidden beast` number, since 2 + 3 + 93 + 499 + 0 + 6 + 7 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80321228100 + 159028678656 = 283410^2 + 398784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239349906693 and 239349906702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 196671460 + ... + 196672676.

Almost surely, 2^239349906756 is an apocalyptic number.

239349906756 is the 489234-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239349906756

239349906756 is an abundant number, since it is smaller than the sum of its proper divisors (375343536153).

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

239349906756 is an equidigital number, since it uses as much as digits as its factorization.

239349906756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 63.

The spelling of 239349906756 in words is "two hundred thirty-nine billion, three hundred forty-nine million, nine hundred six thousand, seven hundred fifty-six".