235706036861 has 2 divisors, whose sum is σ = 235706036862. Its totient is φ = 235706036860.

The previous prime is 235706036843. The next prime is 235706036897. The reversal of 235706036861 is 168630607532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235181352025 + 524684836 = 484955^2 + 22906^2 .

It is a cyclic number.

It is not a de Polignac number, because 235706036861 - 2³⁴ = 218526167677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235706039861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117853018430 + 117853018431.

It is an arithmetic number, because the mean of its divisors is an integer number (117853018431).

Almost surely, 2^235706036861 is an apocalyptic number.

It is an amenable number.

235706036861 is a deficient number, since it is larger than the sum of its proper divisors (1).

235706036861 is an equidigital number, since it uses as much as digits as its factorization.

235706036861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 235706036861 in words is "two hundred thirty-five billion, seven hundred six million, thirty-six thousand, eight hundred sixty-one".