13994404998 has 48 divisors (see below), whose sum is σ = 34473624624. Its totient is φ = 3763200000.

The previous prime is 13994404979. The next prime is 13994404999. The reversal of 13994404998 is 89940449931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13994404999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395003 + ... + 1404998.

It is an arithmetic number, because the mean of its divisors is an integer number (718200513).

Almost surely, 2^13994404998 is an apocalyptic number.

13994404998 is an abundant number, since it is smaller than the sum of its proper divisors (20479219626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13994404998 is a wasteful number, since it uses less digits than its factorization.

13994404998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800037 (or 2800030 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 13994404998 in words is "thirteen billion, nine hundred ninety-four million, four hundred four thousand, nine hundred ninety-eight".