243400053562 has 16 divisors (see below), whose sum is σ = 375073472520. Its totient is φ = 118377419328.

The previous prime is 243400053551. The next prime is 243400053571. The reversal of 243400053562 is 265350004342.

243400053562 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 4 ways, for example, as 236226132961 + 7173920601 = 486031^2 + 84699^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199137 + ... + 725572.

Almost surely, 2^243400053562 is an apocalyptic number.

243400053562 is a deficient number, since it is larger than the sum of its proper divisors (131673418958).

243400053562 is a wasteful number, since it uses less digits than its factorization.

243400053562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928305.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 243400053562 in words is "two hundred forty-three billion, four hundred million, fifty-three thousand, five hundred sixty-two".