3149344747 has 8 divisors (see below), whose sum is σ = 3224901600. Its totient is φ = 3074385600.

The previous prime is 3149344727. The next prime is 3149344769. The reversal of 3149344747 is 7474439413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149344747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3149344697 and 3149344706.

It is not an unprimeable number, because it can be changed into a prime (3149344727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138754 + ... + 159847.

It is an arithmetic number, because the mean of its divisors is an integer number (403112700).

Almost surely, 2^3149344747 is an apocalyptic number.

3149344747 is a deficient number, since it is larger than the sum of its proper divisors (75556853).

3149344747 is a wasteful number, since it uses less digits than its factorization.

3149344747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298853.

The product of its digits is 1016064, while the sum is 46.

The square root of 3149344747 is about 56119.0230403203. The cubic root of 3149344747 is about 1465.7955580683.

The spelling of 3149344747 in words is "three billion, one hundred forty-nine million, three hundred forty-four thousand, seven hundred forty-seven".