308549489608 has 16 divisors (see below), whose sum is σ = 581466997980. Its totient is φ = 153491623488.

The previous prime is 308549489603. The next prime is 308549489627. The reversal of 308549489608 is 806984945803.

It can be written as a sum of positive squares in 2 ways, for example, as 287040920644 + 21508568964 = 535762^2 + 146658^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 308549489608.

It is not an unprimeable number, because it can be changed into a prime (308549489603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97888491 + ... + 97891642.

Almost surely, 2^308549489608 is an apocalyptic number.

It is an amenable number.

308549489608 is a deficient number, since it is larger than the sum of its proper divisors (272917508372).

308549489608 is a wasteful number, since it uses less digits than its factorization.

308549489608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195780336 (or 195780332 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 308549489608 in words is "three hundred eight billion, five hundred forty-nine million, four hundred eighty-nine thousand, six hundred eight".