207138482066797 has 2 divisors, whose sum is σ = 207138482066798. Its totient is φ = 207138482066796.

The previous prime is 207138482066753. The next prime is 207138482066911. The reversal of 207138482066797 is 797660284831702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147757371491401 + 59381110575396 = 12155549^2 + 7705914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207138482066797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207138482066497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103569241033398 + 103569241033399.

It is an arithmetic number, because the mean of its divisors is an integer number (103569241033399).

Almost surely, 2^{207138482066797} is an apocalyptic number.

It is an amenable number.

207138482066797 is a deficient number, since it is larger than the sum of its proper divisors (1).

207138482066797 is an equidigital number, since it uses as much as digits as its factorization.

207138482066797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 341397504, while the sum is 70.

The spelling of 207138482066797 in words is "two hundred seven trillion, one hundred thirty-eight billion, four hundred eighty-two million, sixty-six thousand, seven hundred ninety-seven".