4542121622441 has 8 divisors (see below), whose sum is σ = 4891852701120. Its totient is φ = 4192438702032.

The previous prime is 4542121622393. The next prime is 4542121622477. The reversal of 4542121622441 is 1442261212454.

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 4542121622441 - 2⁴² = 144075111337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4542121622395 and 4542121622404.

It is not an unprimeable number, because it can be changed into a prime (4542121622641) 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, 11843555 + ... + 12221048.

It is an arithmetic number, because the mean of its divisors is an integer number (611481587640).

Almost surely, 2^{4542121622441} is an apocalyptic number.

It is an amenable number.

4542121622441 is a deficient number, since it is larger than the sum of its proper divisors (349731078679).

4542121622441 is a wasteful number, since it uses less digits than its factorization.

4542121622441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24079135.

The product of its digits is 122880, while the sum is 38.

Adding to 4542121622441 its reverse (1442261212454), we get a palindrome (5984382834895).

The spelling of 4542121622441 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty-two thousand, four hundred forty-one".