4245128568963 has 6 divisors (see below), whose sum is σ = 6131852377404. Its totient is φ = 2830085712636.

The previous prime is 4245128568937. The next prime is 4245128568977. The reversal of 4245128568963 is 3698658215424.

4245128568963 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 1 + 2 + 8 + 568 + 9 + 63 = 666.

It is not a de Polignac number, because 4245128568963 - 2⁵ = 4245128568931 is a prime.

It is a super-2 number, since 2×4245128568963² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4245128568963.

It is not an unprimeable number, because it can be changed into a prime (4245128568463) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 235840476045 + ... + 235840476062.

It is an arithmetic number, because the mean of its divisors is an integer number (1021975396234).

Almost surely, 2^{4245128568963} is an apocalyptic number.

4245128568963 is a deficient number, since it is larger than the sum of its proper divisors (1886723808441).

4245128568963 is a wasteful number, since it uses less digits than its factorization.

4245128568963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471680952113 (or 471680952110 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 4245128568963 in words is "four trillion, two hundred forty-five billion, one hundred twenty-eight million, five hundred sixty-eight thousand, nine hundred sixty-three".