12354543464 has 16 divisors (see below), whose sum is σ = 23167750020. Its totient is φ = 6176476800.

The previous prime is 12354543389. The next prime is 12354543493. The reversal of 12354543464 is 46434545321.

12354543464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10660562500 + 1693980964 = 103250^2 + 41158^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 30509 + ... + 160124.

Almost surely, 2^12354543464 is an apocalyptic number.

It is an amenable number.

12354543464 is a deficient number, since it is larger than the sum of its proper divisors (10813206556).

12354543464 is a wasteful number, since it uses less digits than its factorization.

12354543464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198740 (or 198736 counting only the distinct ones).

The product of its digits is 691200, while the sum is 41.

The spelling of 12354543464 in words is "twelve billion, three hundred fifty-four million, five hundred forty-three thousand, four hundred sixty-four".