4542121620433 has 2 divisors, whose sum is σ = 4542121620434. Its totient is φ = 4542121620432.

The previous prime is 4542121620409. The next prime is 4542121620457. The reversal of 4542121620433 is 3340261212454.

It is a balanced prime because it is at equal distance from previous prime (4542121620409) and next prime (4542121620457).

It can be written as a sum of positive squares in only one way, i.e., 3638296834624 + 903824785809 = 1907432^2 + 950697^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542121620433 - 2¹³ = 4542121612241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4542121620392 and 4542121620401.

It is not a weakly prime, because it can be changed into another prime (4542121620473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271060810216 + 2271060810217.

It is an arithmetic number, because the mean of its divisors is an integer number (2271060810217).

Almost surely, 2^{4542121620433} is an apocalyptic number.

It is an amenable number.

4542121620433 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542121620433 is an equidigital number, since it uses as much as digits as its factorization.

4542121620433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 4542121620433 its reverse (3340261212454), we get a palindrome (7882382832887).

The spelling of 4542121620433 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty thousand, four hundred thirty-three".