13916394401 has 72 divisors (see below), whose sum is σ = 18295139520. Its totient is φ = 10536978816.

The previous prime is 13916394353. The next prime is 13916394403. The reversal of 13916394401 is 10449361931.

It is not a de Polignac number, because 13916394401 - 2¹⁴ = 13916378017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13916394403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40104710 + ... + 40105056.

It is an arithmetic number, because the mean of its divisors is an integer number (254099160).

Almost surely, 2^13916394401 is an apocalyptic number.

It is an amenable number.

13916394401 is a deficient number, since it is larger than the sum of its proper divisors (4378745119).

13916394401 is a wasteful number, since it uses less digits than its factorization.

13916394401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 13916394401 in words is "thirteen billion, nine hundred sixteen million, three hundred ninety-four thousand, four hundred one".