3149968985 has 8 divisors (see below), whose sum is σ = 3782184840. Its totient is φ = 2518493824.

The previous prime is 3149968963. The next prime is 3149969003. The reversal of 3149968985 is 5898699413.

It can be written as a sum of positive squares in 4 ways, for example, as 67831696 + 3082137289 = 8236^2 + 55517^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3149968985 - 2¹² = 3149964889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175772 + ... + 192861.

It is an arithmetic number, because the mean of its divisors is an integer number (472773105).

Almost surely, 2^3149968985 is an apocalyptic number.

It is an amenable number.

3149968985 is a deficient number, since it is larger than the sum of its proper divisors (632215855).

3149968985 is a wasteful number, since it uses less digits than its factorization.

3149968985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370347.

The product of its digits is 16796160, while the sum is 62.

The square root of 3149968985 is about 56124.5844973484. The cubic root of 3149968985 is about 1465.8923977723.

The spelling of 3149968985 in words is "three billion, one hundred forty-nine million, nine hundred sixty-eight thousand, nine hundred eighty-five".