3698403538399 has 4 divisors (see below), whose sum is σ = 3704119773264. Its totient is φ = 3692687303536.

The previous prime is 3698403538387. The next prime is 3698403538421. The reversal of 3698403538399 is 9938353048963.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3698403538399 - 2⁹ = 3698403537887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698403538339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2858116462 + ... + 2858117755.

It is an arithmetic number, because the mean of its divisors is an integer number (926029943316).

Almost surely, 2^{3698403538399} is an apocalyptic number.

3698403538399 is a deficient number, since it is larger than the sum of its proper divisors (5716234865).

3698403538399 is an equidigital number, since it uses as much as digits as its factorization.

3698403538399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716234864.

The product of its (nonzero) digits is 453496320, while the sum is 70.

The spelling of 3698403538399 in words is "three trillion, six hundred ninety-eight billion, four hundred three million, five hundred thirty-eight thousand, three hundred ninety-nine".