239349656849 has 2 divisors, whose sum is σ = 239349656850. Its totient is φ = 239349656848.

The previous prime is 239349656813. The next prime is 239349656891. The reversal of 239349656849 is 948656943932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169687972624 + 69661684225 = 411932^2 + 263935^2 .

It is a cyclic number.

It is not a de Polignac number, because 239349656849 - 2²⁰ = 239348608273 is a prime.

It is not a weakly prime, because it can be changed into another prime (239349656899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119674828424 + 119674828425.

It is an arithmetic number, because the mean of its divisors is an integer number (119674828425).

Almost surely, 2^239349656849 is an apocalyptic number.

It is an amenable number.

239349656849 is a deficient number, since it is larger than the sum of its proper divisors (1).

239349656849 is an equidigital number, since it uses as much as digits as its factorization.

239349656849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302330880, while the sum is 68.

The spelling of 239349656849 in words is "two hundred thirty-nine billion, three hundred forty-nine million, six hundred fifty-six thousand, eight hundred forty-nine".