12465493439 has 8 divisors (see below), whose sum is σ = 14280282240. Its totient is φ = 10659205656.

The previous prime is 12465493433. The next prime is 12465493499. The reversal of 12465493439 is 93439456421.

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-12465493439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465493433) 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, 2122109 + ... + 2127974.

It is an arithmetic number, because the mean of its divisors is an integer number (1785035280).

Almost surely, 2^12465493439 is an apocalyptic number.

12465493439 is a deficient number, since it is larger than the sum of its proper divisors (1814788801).

12465493439 is an equidigital number, since it uses as much as digits as its factorization.

12465493439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250509.

The product of its digits is 2799360, while the sum is 50.

The spelling of 12465493439 in words is "twelve billion, four hundred sixty-five million, four hundred ninety-three thousand, four hundred thirty-nine".