235152117209 has 2 divisors, whose sum is σ = 235152117210. Its totient is φ = 235152117208.

The previous prime is 235152117169. The next prime is 235152117283. The reversal of 235152117209 is 902711251532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213285101584 + 21867015625 = 461828^2 + 147875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235152117209 is a prime.

It is not a weakly prime, because it can be changed into another prime (235152110209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117576058604 + 117576058605.

It is an arithmetic number, because the mean of its divisors is an integer number (117576058605).

Almost surely, 2^235152117209 is an apocalyptic number.

It is an amenable number.

235152117209 is a deficient number, since it is larger than the sum of its proper divisors (1).

235152117209 is an equidigital number, since it uses as much as digits as its factorization.

235152117209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 235152117209 in words is "two hundred thirty-five billion, one hundred fifty-two million, one hundred seventeen thousand, two hundred nine".