239686049213 has 8 divisors (see below), whose sum is σ = 258128591448. Its totient is φ = 221244243264.

The previous prime is 239686049203. The next prime is 239686049227. The reversal of 239686049213 is 312940686932.

It can be written as a sum of positive squares in 4 ways, for example, as 1187629444 + 238498419769 = 34462^2 + 488363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 239686049213 - 2⁶ = 239686049149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239686049203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623195 + ... + 931527.

It is an arithmetic number, because the mean of its divisors is an integer number (32266073931).

Almost surely, 2^239686049213 is an apocalyptic number.

It is an amenable number.

239686049213 is a deficient number, since it is larger than the sum of its proper divisors (18442542235).

239686049213 is a wasteful number, since it uses less digits than its factorization.

239686049213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368143.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 239686049213 in words is "two hundred thirty-nine billion, six hundred eighty-six million, forty-nine thousand, two hundred thirteen".