14142934829621 has 20 divisors (see below), whose sum is σ = 15341628383484. Its totient is φ = 13037841648000.

The previous prime is 14142934829599. The next prime is 14142934829663. The reversal of 14142934829621 is 12692843924141.

It can be written as a sum of positive squares in 10 ways, for example, as 10571042726596 + 3571892103025 = 3251314^2 + 1889945^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14142934829621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142934849621) 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 19 ways as a sum of consecutive naturals, for example, 21409571 + ... + 22060271.

Almost surely, 2^{14142934829621} is an apocalyptic number.

It is an amenable number.

14142934829621 is a deficient number, since it is larger than the sum of its proper divisors (1198693553863).

14142934829621 is an frugal number, since it uses more digits than its factorization.

14142934829621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651514 (or 651475 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The spelling of 14142934829621 in words is "fourteen trillion, one hundred forty-two billion, nine hundred thirty-four million, eight hundred twenty-nine thousand, six hundred twenty-one".