4542512993 has 2 divisors, whose sum is σ = 4542512994. Its totient is φ = 4542512992.

The previous prime is 4542512981. The next prime is 4542513061. The reversal of 4542512993 is 3992152454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4530905344 + 11607649 = 67312^2 + 3407^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542512993 - 2¹⁸ = 4542250849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4542514993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271256496 + 2271256497.

It is an arithmetic number, because the mean of its divisors is an integer number (2271256497).

Almost surely, 2^4542512993 is an apocalyptic number.

It is an amenable number.

4542512993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542512993 is an equidigital number, since it uses as much as digits as its factorization.

4542512993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 4542512993 is about 67398.1675789483. The cubic root of 4542512993 is about 1656.1464044415.

The spelling of 4542512993 in words is "four billion, five hundred forty-two million, five hundred twelve thousand, nine hundred ninety-three".