13865416403 has 16 divisors (see below), whose sum is σ = 14646458880. Its totient is φ = 13107257856.

The previous prime is 13865416381. The next prime is 13865416429. The reversal of 13865416403 is 30461456831.

It is a cyclic number.

It is not a de Polignac number, because 13865416403 - 2⁶ = 13865416339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13865416483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266126 + ... + 313932.

It is an arithmetic number, because the mean of its divisors is an integer number (915403680).

Almost surely, 2^13865416403 is an apocalyptic number.

13865416403 is a deficient number, since it is larger than the sum of its proper divisors (781042477).

13865416403 is a wasteful number, since it uses less digits than its factorization.

13865416403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48046.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 13865416403 in words is "thirteen billion, eight hundred sixty-five million, four hundred sixteen thousand, four hundred three".