12442629319 has 4 divisors (see below), whose sum is σ = 12472184680. Its totient is φ = 12413073960.

The previous prime is 12442629281. The next prime is 12442629337. The reversal of 12442629319 is 91392624421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91392624421 = 7 ⋅13056089203.

It is a cyclic number.

It is not a de Polignac number, because 12442629319 - 2¹³ = 12442621127 is a prime.

It is a super-2 number, since 2×12442629319² (a number of 21 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 (12442621319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14777049 + ... + 14777890.

It is an arithmetic number, because the mean of its divisors is an integer number (3118046170).

Almost surely, 2^12442629319 is an apocalyptic number.

12442629319 is a deficient number, since it is larger than the sum of its proper divisors (29555361).

12442629319 is an equidigital number, since it uses as much as digits as its factorization.

12442629319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29555360.

The product of its digits is 186624, while the sum is 43.

The spelling of 12442629319 in words is "twelve billion, four hundred forty-two million, six hundred twenty-nine thousand, three hundred nineteen".