1000542343442 has 8 divisors (see below), whose sum is σ = 1509488738316. Its totient is φ = 497379430672.

The previous prime is 1000542343397. The next prime is 1000542343457. The reversal of 1000542343442 is 2443432450001.

It can be written as a sum of positive squares in 2 ways, for example, as 704409382681 + 296132960761 = 839291^2 + 544181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000542343399 and 1000542343408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445870093 + ... + 1445870784.

Almost surely, 2^{1000542343442} is an apocalyptic number.

1000542343442 is a deficient number, since it is larger than the sum of its proper divisors (508946394874).

1000542343442 is a wasteful number, since it uses less digits than its factorization.

1000542343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891741052.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1000542343442 its reverse (2443432450001), we get a palindrome (3443974793443).

The spelling of 1000542343442 in words is "one trillion, five hundred forty-two million, three hundred forty-three thousand, four hundred forty-two".