2042724517 has 2 divisors, whose sum is σ = 2042724518. Its totient is φ = 2042724516.

The previous prime is 2042724499. The next prime is 2042724577. The reversal of 2042724517 is 7154272402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194808356 + 847916161 = 34566^2 + 29119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042724517 - 2¹⁹ = 2042200229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042724577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021362258 + 1021362259.

It is an arithmetic number, because the mean of its divisors is an integer number (1021362259).

Almost surely, 2^2042724517 is an apocalyptic number.

It is an amenable number.

2042724517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042724517 is an equidigital number, since it uses as much as digits as its factorization.

2042724517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 2042724517 is about 45196.5100090704. The cubic root of 2042724517 is about 1268.8294993760.

Adding to 2042724517 its reverse (7154272402), we get a palindrome (9196996919).

It can be divided in two parts, 20427 and 24517, that added together give a palindrome (44944).

The spelling of 2042724517 in words is "two billion, forty-two million, seven hundred twenty-four thousand, five hundred seventeen".