3144608993 has 4 divisors (see below), whose sum is σ = 3158341140. Its totient is φ = 3130876848.

The previous prime is 3144608989. The next prime is 3144609001. The reversal of 3144608993 is 3998064413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2667929104 + 476679889 = 51652^2 + 21833^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144608993 - 2² = 3144608989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144608923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6865730 + ... + 6866187.

It is an arithmetic number, because the mean of its divisors is an integer number (789585285).

Almost surely, 2^3144608993 is an apocalyptic number.

It is an amenable number.

3144608993 is a deficient number, since it is larger than the sum of its proper divisors (13732147).

3144608993 is a wasteful number, since it uses less digits than its factorization.

3144608993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732146.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 3144608993 is about 56076.8133277917. The cubic root of 3144608993 is about 1465.0604708156.

The spelling of 3144608993 in words is "three billion, one hundred forty-four million, six hundred eight thousand, nine hundred ninety-three".