63751841025625 has 45 divisors (see below), whose sum is σ = 84630595633419. Its totient is φ = 47998831152000.

The previous prime is 63751841025617. The next prime is 63751841025641. The reversal of 63751841025625 is 52652014815736.

The square root of 63751841025625 is 7984475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 31133487308121 + 32618353717504 = 5579739^2 + 5711248^2 .

It is not a de Polignac number, because 63751841025625 - 2³ = 63751841025617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3393392482 + ... + 3393411268.

Almost surely, 2^{63751841025625} is an apocalyptic number.

63751841025625 is the 7984475-th square number.

63751841025625 is the 3992238-th centered octagonal number.

It is an amenable number.

63751841025625 is a deficient number, since it is larger than the sum of its proper divisors (20878754607794).

63751841025625 is an frugal number, since it uses more digits than its factorization.

63751841025625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37628 (or 18809 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 63751841025625 in words is "sixty-three trillion, seven hundred fifty-one billion, eight hundred forty-one million, twenty-five thousand, six hundred twenty-five".