63125669444 has 12 divisors (see below), whose sum is σ = 110479099500. Its totient is φ = 31560212448.

The previous prime is 63125669437. The next prime is 63125669449. The reversal of 63125669444 is 44496652136.

It can be written as a sum of positive squares in 2 ways, for example, as 55289879044 + 7835790400 = 235138^2 + 88520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63125669392 and 63125669401.

It is not an unprimeable number, because it can be changed into a prime (63125669449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600899 + ... + 698090.

It is an arithmetic number, because the mean of its divisors is an integer number (9206591625).

Almost surely, 2^63125669444 is an apocalyptic number.

It is an amenable number.

63125669444 is a deficient number, since it is larger than the sum of its proper divisors (47353430056).

63125669444 is a wasteful number, since it uses less digits than its factorization.

63125669444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311142 (or 1311140 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The spelling of 63125669444 in words is "sixty-three billion, one hundred twenty-five million, six hundred sixty-nine thousand, four hundred forty-four".