243226067715442 has 16 divisors (see below), whose sum is σ = 416968085593152. Its totient is φ = 104237465214960.

The previous prime is 243226067715343. The next prime is 243226067715493. The reversal of 243226067715442 is 244517760622342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189177409 + ... + 190458772.

It is an arithmetic number, because the mean of its divisors is an integer number (26060505349572).

Almost surely, 2^{243226067715442} is an apocalyptic number.

243226067715442 is a deficient number, since it is larger than the sum of its proper divisors (173742017877710).

243226067715442 is a wasteful number, since it uses less digits than its factorization.

243226067715442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379681953.

The product of its (nonzero) digits is 27095040, while the sum is 55.

The spelling of 243226067715442 in words is "two hundred forty-three trillion, two hundred twenty-six billion, sixty-seven million, seven hundred fifteen thousand, four hundred forty-two".