4208967945872 has 20 divisors (see below), whose sum is σ = 8197571083776. Its totient is φ = 2093465730720.

The previous prime is 4208967945827. The next prime is 4208967945887. The reversal of 4208967945872 is 2785497698024.

It is a super-2 number, since 2×4208967945872² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4208967945796 and 4208967945805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688636988 + ... + 688643099.

Almost surely, 2^{4208967945872} is an apocalyptic number.

It is an amenable number.

4208967945872 is a deficient number, since it is larger than the sum of its proper divisors (3988603137904).

4208967945872 is a wasteful number, since it uses less digits than its factorization.

4208967945872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377280286 (or 1377280280 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 4208967945872 in words is "four trillion, two hundred eight billion, nine hundred sixty-seven million, nine hundred forty-five thousand, eight hundred seventy-two".