13423671739999 has 32 divisors (see below), whose sum is σ = 13929553540800. Its totient is φ = 12928060354560.

The previous prime is 13423671739981. The next prime is 13423671740027. The reversal of 13423671739999 is 99993717632431.

It is a cyclic number.

It is not a de Polignac number, because 13423671739999 - 2⁵ = 13423671739967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423671739949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5204989692 + ... + 5204992270.

It is an arithmetic number, because the mean of its divisors is an integer number (435298548150).

Almost surely, 2^{13423671739999} is an apocalyptic number.

13423671739999 is a deficient number, since it is larger than the sum of its proper divisors (505881800801).

13423671739999 is a wasteful number, since it uses less digits than its factorization.

13423671739999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its digits is 416649744, while the sum is 73.

The spelling of 13423671739999 in words is "thirteen trillion, four hundred twenty-three billion, six hundred seventy-one million, seven hundred thirty-nine thousand, nine hundred ninety-nine".