63321025045 has 16 divisors (see below), whose sum is σ = 77847679728. Its totient is φ = 49415477760.

The previous prime is 63321025039. The next prime is 63321025057. The reversal of 63321025045 is 54052012336.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 24808140036 + 38512885009 = 157506^2 + 196247^2 .

It is not a de Polignac number, because 63321025045 - 2³ = 63321025037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63321024998 and 63321025016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776027 + ... + 2798743.

It is an arithmetic number, because the mean of its divisors is an integer number (4865479983).

Almost surely, 2^63321025045 is an apocalyptic number.

It is an amenable number.

63321025045 is a deficient number, since it is larger than the sum of its proper divisors (14526654683).

63321025045 is a wasteful number, since it uses less digits than its factorization.

63321025045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36360.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 63321025045 in words is "sixty-three billion, three hundred twenty-one million, twenty-five thousand, forty-five".