3698403538213 has 2 divisors, whose sum is σ = 3698403538214. Its totient is φ = 3698403538212.

The previous prime is 3698403538199. The next prime is 3698403538231. The reversal of 3698403538213 is 3128353048963.

3698403538213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (3698403538231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3284674142689 + 413729395524 = 1812367^2 + 643218^2 .

It is an emirp because it is prime and its reverse (3128353048963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3698403538213 - 2²⁹ = 3697866667301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698403938213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849201769106 + 1849201769107.

It is an arithmetic number, because the mean of its divisors is an integer number (1849201769107).

Almost surely, 2^{3698403538213} is an apocalyptic number.

It is an amenable number.

3698403538213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698403538213 is an equidigital number, since it uses as much as digits as its factorization.

3698403538213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 3698403538213 in words is "three trillion, six hundred ninety-eight billion, four hundred three million, five hundred thirty-eight thousand, two hundred thirteen".