4385399139 has 24 divisors (see below), whose sum is σ = 7274030400. Its totient is φ = 2517931440.

The previous prime is 4385399089. The next prime is 4385399143. The reversal of 4385399139 is 9319935834.

It is a happy number.

4385399139 is a `hidden beast` number, since 43 + 85 + 399 + 139 = 666.

It is not a de Polignac number, because 4385399139 - 2⁸ = 4385398883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4385399149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1163829 + ... + 1167590.

It is an arithmetic number, because the mean of its divisors is an integer number (303084600).

Almost surely, 2^4385399139 is an apocalyptic number.

4385399139 is a deficient number, since it is larger than the sum of its proper divisors (2888631261).

4385399139 is a wasteful number, since it uses less digits than its factorization.

4385399139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331455 (or 2331452 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 4385399139 is about 66222.3462208943. The cubic root of 4385399139 is about 1636.8279877479.

The spelling of 4385399139 in words is "four billion, three hundred eighty-five million, three hundred ninety-nine thousand, one hundred thirty-nine".