207225056642 has 6 divisors (see below), whose sum is σ = 310838550633. Its totient is φ = 103612206432.

The previous prime is 207225056611. The next prime is 207225056669. The reversal of 207225056642 is 246650522702.

It is a happy number.

207225056642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118177125361 + 89047931281 = 343769^2 + 298409^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=321889.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207225056642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 482834 + ... + 804722.

Almost surely, 2^207225056642 is an apocalyptic number.

207225056642 is a deficient number, since it is larger than the sum of its proper divisors (103613493991).

207225056642 is an frugal number, since it uses more digits than its factorization.

207225056642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643780 (or 321891 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 207225056642 in words is "two hundred seven billion, two hundred twenty-five million, fifty-six thousand, six hundred forty-two".