537946665225 has 12 divisors (see below), whose sum is σ = 889405153296. Its totient is φ = 286904888080.

The previous prime is 537946665197. The next prime is 537946665301. The reversal of 537946665225 is 522566649735.

It is not a de Polignac number, because 537946665225 - 2⁹ = 537946664713 is a prime.

It is a super-2 number, since 2×537946665225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3586311027 + ... + 3586311176.

It is an arithmetic number, because the mean of its divisors is an integer number (74117096108).

Almost surely, 2^537946665225 is an apocalyptic number.

It is an amenable number.

537946665225 is a deficient number, since it is larger than the sum of its proper divisors (351458488071).

537946665225 is a wasteful number, since it uses less digits than its factorization.

537946665225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172622216 (or 7172622211 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 60.

The spelling of 537946665225 in words is "five hundred thirty-seven billion, nine hundred forty-six million, six hundred sixty-five thousand, two hundred twenty-five".