13938717454 has 8 divisors (see below), whose sum is σ = 20930829840. Its totient is φ = 6961774176.

The previous prime is 13938717451. The next prime is 13938717493. The reversal of 13938717454 is 45471783931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938717451) 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, 3789979 + ... + 3793654.

It is an arithmetic number, because the mean of its divisors is an integer number (2616353730).

Almost surely, 2^13938717454 is an apocalyptic number.

13938717454 is a deficient number, since it is larger than the sum of its proper divisors (6992112386).

13938717454 is an equidigital number, since it uses as much as digits as its factorization.

13938717454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584554.

The product of its digits is 2540160, while the sum is 52.

The spelling of 13938717454 in words is "thirteen billion, nine hundred thirty-eight million, seven hundred seventeen thousand, four hundred fifty-four".