3698403538469 has 2 divisors, whose sum is σ = 3698403538470. Its totient is φ = 3698403538468.

The previous prime is 3698403538463. The next prime is 3698403538499. The reversal of 3698403538469 is 9648353048963.

It is a happy number.

3698403538469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2669426610244 + 1028976928225 = 1633838^2 + 1014385^2 .

It is a cyclic number.

It is not a de Polignac number, because 3698403538469 - 2⁸ = 3698403538213 is a prime.

It is a super-2 number, since 2×3698403538469² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3698403538399 and 3698403538408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698403538463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849201769234 + 1849201769235.

It is an arithmetic number, because the mean of its divisors is an integer number (1849201769235).

Almost surely, 2^{3698403538469} is an apocalyptic number.

It is an amenable number.

3698403538469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698403538469 is an equidigital number, since it uses as much as digits as its factorization.

3698403538469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403107840, while the sum is 68.

The spelling of 3698403538469 in words is "three trillion, six hundred ninety-eight billion, four hundred three million, five hundred thirty-eight thousand, four hundred sixty-nine".