63796156225 has 6 divisors (see below), whose sum is σ = 79107233750. Its totient is φ = 51036924960.

The previous prime is 63796156223. The next prime is 63796156261. The reversal of 63796156225 is 52265169736.

It can be written as a sum of positive squares in 3 ways, for example, as 7327188801 + 56468967424 = 85599^2 + 237632^2 .

It is not a de Polignac number, because 63796156225 - 2¹ = 63796156223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63796156223) 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 5 ways as a sum of consecutive naturals, for example, 1275923100 + ... + 1275923149.

Almost surely, 2^63796156225 is an apocalyptic number.

It is an amenable number.

63796156225 is a deficient number, since it is larger than the sum of its proper divisors (15311077525).

63796156225 is a wasteful number, since it uses less digits than its factorization.

63796156225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551846259 (or 2551846254 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The spelling of 63796156225 in words is "sixty-three billion, seven hundred ninety-six million, one hundred fifty-six thousand, two hundred twenty-five".