4392139459 has 2 divisors, whose sum is σ = 4392139460. Its totient is φ = 4392139458.

The previous prime is 4392139447. The next prime is 4392139481. The reversal of 4392139459 is 9549312934.

4392139459 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4392139459 - 2¹⁹ = 4391615171 is a prime.

It is not a weakly prime, because it can be changed into another prime (4392139259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2196069729 + 2196069730.

It is an arithmetic number, because the mean of its divisors is an integer number (2196069730).

Almost surely, 2^4392139459 is an apocalyptic number.

4392139459 is a deficient number, since it is larger than the sum of its proper divisors (1).

4392139459 is an equidigital number, since it uses as much as digits as its factorization.

4392139459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 49.

The square root of 4392139459 is about 66273.2182634886. The cubic root of 4392139459 is about 1637.6661552277. Note that the first 3 decimals are identical.

The spelling of 4392139459 in words is "four billion, three hundred ninety-two million, one hundred thirty-nine thousand, four hundred fifty-nine".