243122049970 has 16 divisors (see below), whose sum is σ = 445876666200. Its totient is φ = 95413936384.

The previous prime is 243122049967. The next prime is 243122049979. The reversal of 243122049970 is 79940221342.

243122049970 is digitally balanced in base 3, 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 198426593401 + 44695456569 = 445451^2 + 211413^2 .

It is not an unprimeable number, because it can be changed into a prime (243122049979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229359895 + ... + 229360954.

Almost surely, 2^243122049970 is an apocalyptic number.

243122049970 is a deficient number, since it is larger than the sum of its proper divisors (202754616230).

243122049970 is a wasteful number, since it uses less digits than its factorization.

243122049970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458720909.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 243122049970 in words is "two hundred forty-three billion, one hundred twenty-two million, forty-nine thousand, nine hundred seventy".