7047349139 has 4 divisors (see below), whose sum is σ = 7055749680. Its totient is φ = 7038948600.

The previous prime is 7047349123. The next prime is 7047349159. The reversal of 7047349139 is 9319437407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9319437407 = 7 ⋅1331348201.

It is a cyclic number.

It is not a de Polignac number, because 7047349139 - 2⁴ = 7047349123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7047349093 and 7047349102.

It is not an unprimeable number, because it can be changed into a prime (7047349159) 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 in 3 ways as a sum of consecutive naturals, for example, 4199012 + ... + 4200689.

It is an arithmetic number, because the mean of its divisors is an integer number (1763937420).

Almost surely, 2^7047349139 is an apocalyptic number.

7047349139 is a deficient number, since it is larger than the sum of its proper divisors (8400541).

7047349139 is an equidigital number, since it uses as much as digits as its factorization.

7047349139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400540.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 7047349139 is about 83948.4909870332. The cubic root of 7047349139 is about 1917.2346201853.

The spelling of 7047349139 in words is "seven billion, forty-seven million, three hundred forty-nine thousand, one hundred thirty-nine".