10521434242342 has 16 divisors (see below), whose sum is σ = 16352468963280. Its totient is φ = 5073975960352.

The previous prime is 10521434242337. The next prime is 10521434242349. The reversal of 10521434242342 is 24324243412501.

It is a super-3 number, since 3×10521434242342³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521434242349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841170133 + ... + 841182640.

It is an arithmetic number, because the mean of its divisors is an integer number (1022029310205).

Almost surely, 2^{10521434242342} is an apocalyptic number.

10521434242342 is a deficient number, since it is larger than the sum of its proper divisors (5831034720938).

10521434242342 is a wasteful number, since it uses less digits than its factorization.

10521434242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682352887.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 10521434242342 its reverse (24324243412501), we get a palindrome (34845677654843).

The spelling of 10521434242342 in words is "ten trillion, five hundred twenty-one billion, four hundred thirty-four million, two hundred forty-two thousand, three hundred forty-two".