18056338741 has 40 divisors (see below), whose sum is σ = 22473319320. Its totient is φ = 14455655424.

The previous prime is 18056338717. The next prime is 18056338823. The reversal of 18056338741 is 14783365081.

It can be written as a sum of positive squares in 4 ways, for example, as 3878673841 + 14177664900 = 62279^2 + 119070^2 .

It is not a de Polignac number, because 18056338741 - 2⁷ = 18056338613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18056338691 and 18056338700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056338441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5590315 + ... + 5593543.

It is an arithmetic number, because the mean of its divisors is an integer number (561832983).

Almost surely, 2^18056338741 is an apocalyptic number.

It is an amenable number.

18056338741 is a deficient number, since it is larger than the sum of its proper divisors (4416980579).

18056338741 is an equidigital number, since it uses as much as digits as its factorization.

18056338741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 18056338741 in words is "eighteen billion, fifty-six million, three hundred thirty-eight thousand, seven hundred forty-one".