4542121622437 has 8 divisors (see below), whose sum is σ = 5241394161536. Its totient is φ = 3855448588752.

The previous prime is 4542121622393. The next prime is 4542121622477. The reversal of 4542121622437 is 7342261212454.

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

It is a cyclic number.

It is not a de Polignac number, because 4542121622437 - 2¹¹ = 4542121620389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4542121622393 and 4542121622402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542121622477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149875578 + ... + 3149877019.

It is an arithmetic number, because the mean of its divisors is an integer number (655174270192).

Almost surely, 2^{4542121622437} is an apocalyptic number.

It is an amenable number.

4542121622437 is a deficient number, since it is larger than the sum of its proper divisors (699272539099).

4542121622437 is a wasteful number, since it uses less digits than its factorization.

4542121622437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299752707.

The product of its digits is 645120, while the sum is 43.

The spelling of 4542121622437 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty-two thousand, four hundred thirty-seven".