243706428974 has 16 divisors (see below), whose sum is σ = 370294526400. Its totient is φ = 120275816544.

The previous prime is 243706428971. The next prime is 243706428997. The reversal of 243706428974 is 479824607342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243706428971) 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, 325784 + ... + 770420.

It is an arithmetic number, because the mean of its divisors is an integer number (23143407900).

Almost surely, 2^243706428974 is an apocalyptic number.

243706428974 is a deficient number, since it is larger than the sum of its proper divisors (126588097426).

243706428974 is a wasteful number, since it uses less digits than its factorization.

243706428974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448187.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 243706428974 in words is "two hundred forty-three billion, seven hundred six million, four hundred twenty-eight thousand, nine hundred seventy-four".