243097909790342 has 16 divisors (see below), whose sum is σ = 372407224430592. Its totient is φ = 118962194922120.

The previous prime is 243097909790321. The next prime is 243097909790383.

243097909790342 is nontrivially palindromic in base 10.

It is a congruent number.

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, 11993753 + ... + 25100715.

It is an arithmetic number, because the mean of its divisors is an integer number (23275451526912).

Almost surely, 2^{243097909790342} is an apocalyptic number.

243097909790342 is a deficient number, since it is larger than the sum of its proper divisors (129309314640250).

243097909790342 is a wasteful number, since it uses less digits than its factorization.

243097909790342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13304323.

The product of its (nonzero) digits is 185177664, while the sum is 68.

The spelling of 243097909790342 in words is "two hundred forty-three trillion, ninety-seven billion, nine hundred nine million, seven hundred ninety thousand, three hundred forty-two".