12319355437 has 4 divisors (see below), whose sum is σ = 12319699840. Its totient is φ = 12319011036.

The previous prime is 12319355429. The next prime is 12319355471. The reversal of 12319355437 is 73455391321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12319355437 - 2³ = 12319355429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12319355393 and 12319355402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319355497) 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, 111387 + ... + 192472.

It is an arithmetic number, because the mean of its divisors is an integer number (3079924960).

Almost surely, 2^12319355437 is an apocalyptic number.

It is an amenable number.

12319355437 is a deficient number, since it is larger than the sum of its proper divisors (344403).

12319355437 is an equidigital number, since it uses as much as digits as its factorization.

12319355437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344402.

The product of its digits is 340200, while the sum is 43.

The spelling of 12319355437 in words is "twelve billion, three hundred nineteen million, three hundred fifty-five thousand, four hundred thirty-seven".