5042758681 has 2 divisors, whose sum is σ = 5042758682. Its totient is φ = 5042758680.

The previous prime is 5042758673. The next prime is 5042758709. The reversal of 5042758681 is 1868572405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3774259225 + 1268499456 = 61435^2 + 35616^2 .

It is a cyclic number.

It is not a de Polignac number, because 5042758681 - 2³ = 5042758673 is a prime.

It is a super-2 number, since 2×5042758681² = 50858830229601719522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5042758081) 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, 2521379340 + 2521379341.

It is an arithmetic number, because the mean of its divisors is an integer number (2521379341).

Almost surely, 2^5042758681 is an apocalyptic number.

It is an amenable number.

5042758681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5042758681 is an equidigital number, since it uses as much as digits as its factorization.

5042758681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 5042758681 is about 71012.3839974409. The cubic root of 5042758681 is about 1714.8365384640.

The spelling of 5042758681 in words is "five billion, forty-two million, seven hundred fifty-eight thousand, six hundred eighty-one".