207200867249 has 4 divisors (see below), whose sum is σ = 212254546980. Its totient is φ = 202147187520.

The previous prime is 207200867197. The next prime is 207200867267. The reversal of 207200867249 is 942768002702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78158266624 + 129042600625 = 279568^2 + 359225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207200867249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207200867299) 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 in 3 ways as a sum of consecutive naturals, for example, 2526839804 + ... + 2526839885.

It is an arithmetic number, because the mean of its divisors is an integer number (53063636745).

Almost surely, 2^207200867249 is an apocalyptic number.

It is an amenable number.

207200867249 is a deficient number, since it is larger than the sum of its proper divisors (5053679731).

207200867249 is an equidigital number, since it uses as much as digits as its factorization.

207200867249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053679730.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 207200867249 in words is "two hundred seven billion, two hundred million, eight hundred sixty-seven thousand, two hundred forty-nine".