63640506245325 has 48 divisors (see below), whose sum is σ = 106505430091200. Its totient is φ = 33527363443200.

The previous prime is 63640506245293. The next prime is 63640506245333. The reversal of 63640506245325 is 52354260504636.

63640506245325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63640506245325 - 2⁵ = 63640506245293 is a prime.

It is a super-2 number, since 2×63640506245325² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2146146 + ... + 11484204.

It is an arithmetic number, because the mean of its divisors is an integer number (2218863126900).

Almost surely, 2^{63640506245325} is an apocalyptic number.

It is an amenable number.

63640506245325 is a deficient number, since it is larger than the sum of its proper divisors (42864923845875).

63640506245325 is a wasteful number, since it uses less digits than its factorization.

63640506245325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339182 (or 9339177 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 63640506245325 in words is "sixty-three trillion, six hundred forty billion, five hundred six million, two hundred forty-five thousand, three hundred twenty-five".