63812056825 has 24 divisors (see below), whose sum is σ = 86515328736. Its totient is φ = 46303920000.

The previous prime is 63812056823. The next prime is 63812056849. The reversal of 63812056825 is 52865021836.

It is not a de Polignac number, because 63812056825 - 2¹ = 63812056823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63812056823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140076 + ... + 383725.

It is an arithmetic number, because the mean of its divisors is an integer number (3604805364).

Almost surely, 2^63812056825 is an apocalyptic number.

It is an amenable number.

63812056825 is a deficient number, since it is larger than the sum of its proper divisors (22703271911).

63812056825 is a wasteful number, since it uses less digits than its factorization.

63812056825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524265 (or 524260 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 63812056825 in words is "sixty-three billion, eight hundred twelve million, fifty-six thousand, eight hundred twenty-five".