3818331435013 has 2 divisors, whose sum is σ = 3818331435014. Its totient is φ = 3818331435012.

The previous prime is 3818331434969. The next prime is 3818331435089. The reversal of 3818331435013 is 3105341338183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3801088331044 + 17243103969 = 1949638^2 + 131313^2 .

It is a cyclic number.

It is not a de Polignac number, because 3818331435013 - 2²¹ = 3818329337861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3818331435613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909165717506 + 1909165717507.

It is an arithmetic number, because the mean of its divisors is an integer number (1909165717507).

Almost surely, 2^{3818331435013} is an apocalyptic number.

It is an amenable number.

3818331435013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818331435013 is an equidigital number, since it uses as much as digits as its factorization.

3818331435013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 3818331435013 in words is "three trillion, eight hundred eighteen billion, three hundred thirty-one million, four hundred thirty-five thousand, thirteen".