4014384557681 has 2 divisors, whose sum is σ = 4014384557682. Its totient is φ = 4014384557680.

The previous prime is 4014384557663. The next prime is 4014384557707. The reversal of 4014384557681 is 1867554834104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822904800625 + 191479757056 = 1955225^2 + 437584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4014384557681 - 2³⁴ = 3997204688497 is a prime.

It is a super-2 number, since 2×4014384557681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4014384557641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007192278840 + 2007192278841.

It is an arithmetic number, because the mean of its divisors is an integer number (2007192278841).

Almost surely, 2^{4014384557681} is an apocalyptic number.

It is an amenable number.

4014384557681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4014384557681 is an equidigital number, since it uses as much as digits as its factorization.

4014384557681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 4014384557681 in words is "four trillion, fourteen billion, three hundred eighty-four million, five hundred fifty-seven thousand, six hundred eighty-one".