12619496531 has 2 divisors, whose sum is σ = 12619496532. Its totient is φ = 12619496530.

The previous prime is 12619496507. The next prime is 12619496581. The reversal of 12619496531 is 13569491621.

It is a happy number.

12619496531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12619496531 - 2⁶ = 12619496467 is a prime.

It is a super-4 number, since 4×12619496531⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12619496581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6309748265 + 6309748266.

It is an arithmetic number, because the mean of its divisors is an integer number (6309748266).

Almost surely, 2^12619496531 is an apocalyptic number.

12619496531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12619496531 is an equidigital number, since it uses as much as digits as its factorization.

12619496531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The spelling of 12619496531 in words is "twelve billion, six hundred nineteen million, four hundred ninety-six thousand, five hundred thirty-one".