12548545619 has 2 divisors, whose sum is σ = 12548545620. Its totient is φ = 12548545618.

The previous prime is 12548545591. The next prime is 12548545663. The reversal of 12548545619 is 91654584521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12548545619 - 2¹⁶ = 12548480083 is a prime.

It is a super-2 number, since 2×12548545619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12548542619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274272809 + 6274272810.

It is an arithmetic number, because the mean of its divisors is an integer number (6274272810).

Almost surely, 2^12548545619 is an apocalyptic number.

12548545619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548545619 is an equidigital number, since it uses as much as digits as its factorization.

12548545619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 50.

The spelling of 12548545619 in words is "twelve billion, five hundred forty-eight million, five hundred forty-five thousand, six hundred nineteen".