12536489419 has 2 divisors, whose sum is σ = 12536489420. Its totient is φ = 12536489418.

The previous prime is 12536489347. The next prime is 12536489429. The reversal of 12536489419 is 91498463521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12536489419 - 2¹⁷ = 12536358347 is a prime.

It is a super-2 number, since 2×12536489419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12536489429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268244709 + 6268244710.

It is an arithmetic number, because the mean of its divisors is an integer number (6268244710).

Almost surely, 2^12536489419 is an apocalyptic number.

12536489419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12536489419 is an equidigital number, since it uses as much as digits as its factorization.

12536489419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The spelling of 12536489419 in words is "twelve billion, five hundred thirty-six million, four hundred eighty-nine thousand, four hundred nineteen".