63903329325 has 48 divisors (see below), whose sum is σ = 128064868800. Its totient is φ = 30983428800.

The previous prime is 63903329309. The next prime is 63903329327. The reversal of 63903329325 is 52392330936.

63903329325 is a `hidden beast` number, since 639 + 0 + 3 + 3 + 2 + 9 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 63903329325 - 2⁴ = 63903329309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63903329327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4295830 + ... + 4310679.

It is an arithmetic number, because the mean of its divisors is an integer number (2668018100).

Almost surely, 2^63903329325 is an apocalyptic number.

It is an amenable number.

63903329325 is an abundant number, since it is smaller than the sum of its proper divisors (64161539475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63903329325 is a wasteful number, since it uses less digits than its factorization.

63903329325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606539 (or 8606528 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 45.

The spelling of 63903329325 in words is "sixty-three billion, nine hundred three million, three hundred twenty-nine thousand, three hundred twenty-five".