3144215893 has 32 divisors (see below), whose sum is σ = 4081271040. Its totient is φ = 2352291840.

The previous prime is 3144215891. The next prime is 3144215911. The reversal of 3144215893 is 3985124413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3144215893 - 2¹ = 3144215891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144215891) 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 31 ways as a sum of consecutive naturals, for example, 1106871 + ... + 1109707.

It is an arithmetic number, because the mean of its divisors is an integer number (127539720).

Almost surely, 2^3144215893 is an apocalyptic number.

It is an amenable number.

3144215893 is a deficient number, since it is larger than the sum of its proper divisors (937055147).

3144215893 is a wasteful number, since it uses less digits than its factorization.

3144215893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517.

The product of its digits is 103680, while the sum is 40.

The square root of 3144215893 is about 56073.3082045281. The cubic root of 3144215893 is about 1464.9994203774. Note that the first 3 decimals are identical.

The spelling of 3144215893 in words is "three billion, one hundred forty-four million, two hundred fifteen thousand, eight hundred ninety-three".