3148809939 has 12 divisors (see below), whose sum is σ = 4961761272. Its totient is φ = 1908369600.

The previous prime is 3148809919. The next prime is 3148809947. The reversal of 3148809939 is 9399088413.

It is not a de Polignac number, because 3148809939 - 2⁵ = 3148809907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3148809919) 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 11 ways as a sum of consecutive naturals, for example, 15902982 + ... + 15903179.

It is an arithmetic number, because the mean of its divisors is an integer number (413480106).

Almost surely, 2^3148809939 is an apocalyptic number.

3148809939 is a deficient number, since it is larger than the sum of its proper divisors (1812951333).

3148809939 is a wasteful number, since it uses less digits than its factorization.

3148809939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31806178 (or 31806175 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3148809939 is about 56114.2578940504. The cubic root of 3148809939 is about 1465.7125817000.

The spelling of 3148809939 in words is "three billion, one hundred forty-eight million, eight hundred nine thousand, nine hundred thirty-nine".