3963428350520 has 32 divisors (see below), whose sum is σ = 8917772969520. Its totient is φ = 1585360819200.

The previous prime is 3963428350507. The next prime is 3963428350529. The reversal of 3963428350520 is 250538243693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963428350529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9142184 + ... + 9565896.

Almost surely, 2^{3963428350520} is an apocalyptic number.

It is an amenable number.

3963428350520 is an abundant number, since it is smaller than the sum of its proper divisors (4954344619000).

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

3963428350520 is a wasteful number, since it uses less digits than its factorization.

3963428350520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657575 (or 657571 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 3963428350520 in words is "three trillion, nine hundred sixty-three billion, four hundred twenty-eight million, three hundred fifty thousand, five hundred twenty".