12379449619 has 2 divisors, whose sum is σ = 12379449620. Its totient is φ = 12379449618.

The previous prime is 12379449583. The next prime is 12379449631. The reversal of 12379449619 is 91694497321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12379449619 - 2⁷ = 12379449491 is a prime.

It is a super-2 number, since 2×12379449619² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12379449619.

It is not a weakly prime, because it can be changed into another prime (12379449119) 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 as a sum of consecutive naturals, namely, 6189724809 + 6189724810.

It is an arithmetic number, because the mean of its divisors is an integer number (6189724810).

Almost surely, 2^12379449619 is an apocalyptic number.

12379449619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12379449619 is an equidigital number, since it uses as much as digits as its factorization.

12379449619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The spelling of 12379449619 in words is "twelve billion, three hundred seventy-nine million, four hundred forty-nine thousand, six hundred nineteen".