4521533143993 has 2 divisors, whose sum is σ = 4521533143994. Its totient is φ = 4521533143992.

The previous prime is 4521533143979. The next prime is 4521533144047. The reversal of 4521533143993 is 3993413351254.

4521533143993 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., 2603230583209 + 1918302560784 = 1613453^2 + 1385028^2 .

It is a cyclic number.

It is not a de Polignac number, because 4521533143993 - 2⁹ = 4521533143481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4521533143993.

It is not a weakly prime, because it can be changed into another prime (4521533143493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260766571996 + 2260766571997.

It is an arithmetic number, because the mean of its divisors is an integer number (2260766571997).

Almost surely, 2^{4521533143993} is an apocalyptic number.

It is an amenable number.

4521533143993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521533143993 is an equidigital number, since it uses as much as digits as its factorization.

4521533143993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5248800, while the sum is 52.

The spelling of 4521533143993 in words is "four trillion, five hundred twenty-one billion, five hundred thirty-three million, one hundred forty-three thousand, nine hundred ninety-three".