256733343704043 has 8 divisors (see below), whose sum is σ = 380345694376400. Its totient is φ = 171155562469344.

The previous prime is 256733343703979. The next prime is 256733343704053. The reversal of 256733343704043 is 340407343337652.

256733343704043 is a `hidden beast` number, since 2 + 567 + 3 + 3 + 3 + 4 + 3 + 70 + 4 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 256733343704043 - 2⁶ = 256733343703979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256733343704053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754321179678 + ... + 4754321179731.

It is an arithmetic number, because the mean of its divisors is an integer number (47543211797050).

Almost surely, 2^{256733343704043} is an apocalyptic number.

256733343704043 is a deficient number, since it is larger than the sum of its proper divisors (123612350672357).

256733343704043 is an equidigital number, since it uses as much as digits as its factorization.

256733343704043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508642359418 (or 9508642359412 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 54.

The spelling of 256733343704043 in words is "two hundred fifty-six trillion, seven hundred thirty-three billion, three hundred forty-three million, seven hundred four thousand, forty-three".