239239132673 has 2 divisors, whose sum is σ = 239239132674. Its totient is φ = 239239132672.

The previous prime is 239239132663. The next prime is 239239132709. The reversal of 239239132673 is 376231932932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196517549809 + 42721582864 = 443303^2 + 206692^2 .

It is a cyclic number.

It is not a de Polignac number, because 239239132673 - 2⁶ = 239239132609 is a prime.

It is a super-2 number, since 2×239239132673² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (239239132663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119619566336 + 119619566337.

It is an arithmetic number, because the mean of its divisors is an integer number (119619566337).

Almost surely, 2^239239132673 is an apocalyptic number.

It is an amenable number.

239239132673 is a deficient number, since it is larger than the sum of its proper divisors (1).

239239132673 is an equidigital number, since it uses as much as digits as its factorization.

239239132673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 50.

The spelling of 239239132673 in words is "two hundred thirty-nine billion, two hundred thirty-nine million, one hundred thirty-two thousand, six hundred seventy-three".