243359950642 has 16 divisors (see below), whose sum is σ = 370435601592. Its totient is φ = 119884976640.

The previous prime is 243359950627. The next prime is 243359950679. The reversal of 243359950642 is 246059953342.

It can be written as a sum of positive squares in 4 ways, for example, as 152107020081 + 91252930561 = 390009^2 + 302081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243359950642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752659 + ... + 1026262.

Almost surely, 2^243359950642 is an apocalyptic number.

243359950642 is a deficient number, since it is larger than the sum of its proper divisors (127075650950).

243359950642 is a wasteful number, since it uses less digits than its factorization.

243359950642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779933.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 243359950642 in words is "two hundred forty-three billion, three hundred fifty-nine million, nine hundred fifty thousand, six hundred forty-two".