13964587994 has 8 divisors (see below), whose sum is σ = 23939293728. Its totient is φ = 5984823420.

The previous prime is 13964587943. The next prime is 13964587999. The reversal of 13964587994 is 49978546931.

13964587994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13964587994.

It is not an unprimeable number, because it can be changed into a prime (13964587999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498735272 + ... + 498735299.

It is an arithmetic number, because the mean of its divisors is an integer number (2992411716).

Almost surely, 2^13964587994 is an apocalyptic number.

13964587994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13964587994 is a deficient number, since it is larger than the sum of its proper divisors (9974705734).

13964587994 is an equidigital number, since it uses as much as digits as its factorization.

13964587994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997470580.

The product of its digits is 58786560, while the sum is 65.

The spelling of 13964587994 in words is "thirteen billion, nine hundred sixty-four million, five hundred eighty-seven thousand, nine hundred ninety-four".