104453512439 has 4 divisors (see below), whose sum is σ = 104538366240. Its totient is φ = 104368658640.

The previous prime is 104453512421. The next prime is 104453512441. The reversal of 104453512439 is 934215354401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104453512439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104453512396 and 104453512405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104453512459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42425054 + ... + 42427515.

It is an arithmetic number, because the mean of its divisors is an integer number (26134591560).

Almost surely, 2^104453512439 is an apocalyptic number.

104453512439 is a deficient number, since it is larger than the sum of its proper divisors (84853801).

104453512439 is an equidigital number, since it uses as much as digits as its factorization.

104453512439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84853800.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 104453512439 in words is "one hundred four billion, four hundred fifty-three million, five hundred twelve thousand, four hundred thirty-nine".