13404399999 has 8 divisors (see below), whose sum is σ = 17883661440. Its totient is φ = 8930702616.

The previous prime is 13404399979. The next prime is 13404400021. The reversal of 13404399999 is 99999340431.

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

It is not a de Polignac number, because 13404399999 - 2¹³ = 13404391807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404399919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385389 + ... + 1395030.

It is an arithmetic number, because the mean of its divisors is an integer number (2235457680).

Almost surely, 2^13404399999 is an apocalyptic number.

13404399999 is a deficient number, since it is larger than the sum of its proper divisors (4479261441).

13404399999 is a wasteful number, since it uses less digits than its factorization.

13404399999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782029.

The product of its (nonzero) digits is 8503056, while the sum is 60.

The spelling of 13404399999 in words is "thirteen billion, four hundred four million, three hundred ninety-nine thousand, nine hundred ninety-nine".