3479949539 has 4 divisors (see below), whose sum is σ = 3796308600. Its totient is φ = 3163590480.

The previous prime is 3479949509. The next prime is 3479949553. The reversal of 3479949539 is 9359499743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9359499743 = 11 ⋅850863613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3479949539 is a prime.

It is a super-2 number, since 2×3479949539² = 24220097587972625042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3479949509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158179514 + ... + 158179535.

It is an arithmetic number, because the mean of its divisors is an integer number (949077150).

Almost surely, 2^3479949539 is an apocalyptic number.

3479949539 is a deficient number, since it is larger than the sum of its proper divisors (316359061).

3479949539 is a wasteful number, since it uses less digits than its factorization.

3479949539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316359060.

The product of its digits is 33067440, while the sum is 62.

The square root of 3479949539 is about 58991.0971164294. The cubic root of 3479949539 is about 1515.3896457358.

The spelling of 3479949539 in words is "three billion, four hundred seventy-nine million, nine hundred forty-nine thousand, five hundred thirty-nine".