207904589213 has 2 divisors, whose sum is σ = 207904589214. Its totient is φ = 207904589212.

The previous prime is 207904589201. The next prime is 207904589239. The reversal of 207904589213 is 312985409702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194624792569 + 13279796644 = 441163^2 + 115238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207904589213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207904589293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103952294606 + 103952294607.

It is an arithmetic number, because the mean of its divisors is an integer number (103952294607).

Almost surely, 2^207904589213 is an apocalyptic number.

It is an amenable number.

207904589213 is a deficient number, since it is larger than the sum of its proper divisors (1).

207904589213 is an equidigital number, since it uses as much as digits as its factorization.

207904589213 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 50.

The spelling of 207904589213 in words is "two hundred seven billion, nine hundred four million, five hundred eighty-nine thousand, two hundred thirteen".