4255621746867 has 12 divisors (see below), whose sum is σ = 6206688892144. Its totient is φ = 2809536686640.

The previous prime is 4255621746821. The next prime is 4255621746941. The reversal of 4255621746867 is 7686471265524.

4255621746867 is a `hidden beast` number, since 4 + 2 + 5 + 562 + 1 + 7 + 4 + 6 + 8 + 67 = 666.

It is not a de Polignac number, because 4255621746867 - 2¹¹ = 4255621744819 is a prime.

It is a super-2 number, since 2×4255621746867² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4255621646867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2295372184 + ... + 2295374037.

Almost surely, 2^{4255621746867} is an apocalyptic number.

4255621746867 is a deficient number, since it is larger than the sum of its proper divisors (1951067145277).

4255621746867 is a wasteful number, since it uses less digits than its factorization.

4255621746867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590746330 (or 4590746327 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 4255621746867 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred forty-six thousand, eight hundred sixty-seven".