4540352220641 has 2 divisors, whose sum is σ = 4540352220642. Its totient is φ = 4540352220640.

The previous prime is 4540352220617. The next prime is 4540352220673. The reversal of 4540352220641 is 1460222530454.

4540352220641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3522674780641 + 1017677440000 = 1876879^2 + 1008800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540352220641 - 2⁶ = 4540352220577 is a prime.

It is a super-2 number, since 2×4540352220641² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540352220595 and 4540352220604.

It is not a weakly prime, because it can be changed into another prime (4540352220841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270176110320 + 2270176110321.

It is an arithmetic number, because the mean of its divisors is an integer number (2270176110321).

Almost surely, 2^{4540352220641} is an apocalyptic number.

It is an amenable number.

4540352220641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540352220641 is an equidigital number, since it uses as much as digits as its factorization.

4540352220641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 4540352220641 in words is "four trillion, five hundred forty billion, three hundred fifty-two million, two hundred twenty thousand, six hundred forty-one".