243473164900 has 405 divisors, whose sum is σ = 663008607051. Its totient is φ = 77590880640.

The previous prime is 243473164799. The next prime is 243473164903. The reversal of 243473164900 is 9461374342.

The square root of 243473164900 is 493430.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1834066276 + 241639098624 = 42826^2 + 491568^2 .

It is not an unprimeable number, because it can be changed into a prime (243473164903) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 4593833274 + ... + 4593833326.

Almost surely, 2^243473164900 is an apocalyptic number.

243473164900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

243473164900 is the 493430-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243473164900

243473164900 is an abundant number, since it is smaller than the sum of its proper divisors (419535442151).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243473164900 is an equidigital number, since it uses as much as digits as its factorization.

243473164900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 243473164900 in words is "two hundred forty-three billion, four hundred seventy-three million, one hundred sixty-four thousand, nine hundred".