4272745812866 has 32 divisors (see below), whose sum is σ = 6475870356480. Its totient is φ = 2114265888000.

The previous prime is 4272745812827. The next prime is 4272745812893. The reversal of 4272745812866 is 6682185472724.

It is a happy number.

It is a super-2 number, since 2×4272745812866² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4272745812799 and 4272745812808.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58019180 + ... + 58092776.

It is an arithmetic number, because the mean of its divisors is an integer number (202370948640).

Almost surely, 2^{4272745812866} is an apocalyptic number.

4272745812866 is a deficient number, since it is larger than the sum of its proper divisors (2203124543614).

4272745812866 is a wasteful number, since it uses less digits than its factorization.

4272745812866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74570.

The product of its digits is 72253440, while the sum is 62.

The spelling of 4272745812866 in words is "four trillion, two hundred seventy-two billion, seven hundred forty-five million, eight hundred twelve thousand, eight hundred sixty-six".