14618872321439 has 8 divisors (see below), whose sum is σ = 15480823433760. Its totient is φ = 13757145369856.

The previous prime is 14618872321429. The next prime is 14618872321477. The reversal of 14618872321439 is 93412327881641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14618872321439 is a prime.

It is a super-2 number, since 2×14618872321439² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14618872321429) 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, 55905899 + ... + 56166780.

It is an arithmetic number, because the mean of its divisors is an integer number (1935102929220).

Almost surely, 2^{14618872321439} is an apocalyptic number.

14618872321439 is a deficient number, since it is larger than the sum of its proper divisors (861951112321).

14618872321439 is a wasteful number, since it uses less digits than its factorization.

14618872321439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112080369.

The product of its digits is 13934592, while the sum is 59.

The spelling of 14618872321439 in words is "fourteen trillion, six hundred eighteen billion, eight hundred seventy-two million, three hundred twenty-one thousand, four hundred thirty-nine".