4006014722081 has 2 divisors, whose sum is σ = 4006014722082. Its totient is φ = 4006014722080.

The previous prime is 4006014722041. The next prime is 4006014722089. The reversal of 4006014722081 is 1802274106004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2762878920481 + 1243135801600 = 1662191^2 + 1114960^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006014722081 - 2¹⁰ = 4006014721057 is a prime.

It is a super-2 number, since 2×4006014722081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4006014722089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003007361040 + 2003007361041.

It is an arithmetic number, because the mean of its divisors is an integer number (2003007361041).

Almost surely, 2^{4006014722081} is an apocalyptic number.

It is an amenable number.

4006014722081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006014722081 is an equidigital number, since it uses as much as digits as its factorization.

4006014722081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 4006014722081 its reverse (1802274106004), we get a palindrome (5808288828085).

The spelling of 4006014722081 in words is "four trillion, six billion, fourteen million, seven hundred twenty-two thousand, eighty-one".