239108286169 has 9 divisors (see below), whose sum is σ = 239985304671. Its totient is φ = 238234466400.

The previous prime is 239108286167. The next prime is 239108286227. The reversal of 239108286169 is 961682801932.

The square root of 239108286169 is 488987.

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

It can be written as a sum of positive squares in only one way, i.e., 64477905625 + 174630380544 = 253925^2 + 417888^2 .

It is not a de Polignac number, because 239108286169 - 2¹ = 239108286167 is a prime.

It is a super-2 number, since 2×239108286169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239108286161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 164787894 + ... + 164789344.

Almost surely, 2^239108286169 is an apocalyptic number.

239108286169 is the 488987-th square number.

239108286169 is the 244494-th centered octagonal number.

It is an amenable number.

239108286169 is a deficient number, since it is larger than the sum of its proper divisors (877018502).

239108286169 is an frugal number, since it uses more digits than its factorization.

239108286169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 239108286169 in words is "two hundred thirty-nine billion, one hundred eight million, two hundred eighty-six thousand, one hundred sixty-nine".