6142378439 has 2 divisors, whose sum is σ = 6142378440. Its totient is φ = 6142378438.

The previous prime is 6142378427. The next prime is 6142378493. The reversal of 6142378439 is 9348732416.

Together with next prime (6142378493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6142378439 - 2¹⁶ = 6142312903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6142378393 and 6142378402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6142378339) 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, 3071189219 + 3071189220.

It is an arithmetic number, because the mean of its divisors is an integer number (3071189220).

Almost surely, 2^6142378439 is an apocalyptic number.

6142378439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142378439 is an equidigital number, since it uses as much as digits as its factorization.

6142378439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 6142378439 is about 78373.3273441928. The cubic root of 6142378439 is about 1831.3816433546.

The spelling of 6142378439 in words is "six billion, one hundred forty-two million, three hundred seventy-eight thousand, four hundred thirty-nine".