4001218682933 has 2 divisors, whose sum is σ = 4001218682934. Its totient is φ = 4001218682932.

The previous prime is 4001218682869. The next prime is 4001218682947. The reversal of 4001218682933 is 3392868121004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3631284681649 + 369934001284 = 1905593^2 + 608222^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001218682933 - 2⁶ = 4001218682869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001218682983) by changing a digit.

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 as a sum of consecutive naturals, namely, 2000609341466 + 2000609341467.

It is an arithmetic number, because the mean of its divisors is an integer number (2000609341467).

Almost surely, 2^{4001218682933} is an apocalyptic number.

It is an amenable number.

4001218682933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001218682933 is an equidigital number, since it uses as much as digits as its factorization.

4001218682933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 4001218682933 in words is "four trillion, one billion, two hundred eighteen million, six hundred eighty-two thousand, nine hundred thirty-three".