243385174402 has 16 divisors (see below), whose sum is σ = 376536926592. Its totient is φ = 117924137200.

The previous prime is 243385174297. The next prime is 243385174453. The reversal of 243385174402 is 204471583342.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12808348 + ... + 12827335.

It is an arithmetic number, because the mean of its divisors is an integer number (23533557912).

Almost surely, 2^243385174402 is an apocalyptic number.

243385174402 is a deficient number, since it is larger than the sum of its proper divisors (133151752190).

243385174402 is a wasteful number, since it uses less digits than its factorization.

243385174402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635833.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 243385174402 in words is "two hundred forty-three billion, three hundred eighty-five million, one hundred seventy-four thousand, four hundred two".