7042378613 has 2 divisors, whose sum is σ = 7042378614. Its totient is φ = 7042378612.

The previous prime is 7042378559. The next prime is 7042378649. The reversal of 7042378613 is 3168732407.

7042378613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7033002769 + 9375844 = 83863^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042378613 - 2⁶ = 7042378549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7042378663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521189306 + 3521189307.

It is an arithmetic number, because the mean of its divisors is an integer number (3521189307).

Almost surely, 2^7042378613 is an apocalyptic number.

It is an amenable number.

7042378613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042378613 is an equidigital number, since it uses as much as digits as its factorization.

7042378613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 7042378613 is about 83918.8811472126. The cubic root of 7042378613 is about 1916.7837695341.

The spelling of 7042378613 in words is "seven billion, forty-two million, three hundred seventy-eight thousand, six hundred thirteen".