3144181669 has 4 divisors (see below), whose sum is σ = 3144294720. Its totient is φ = 3144068620.

The previous prime is 3144181639. The next prime is 3144181687. The reversal of 3144181669 is 9661814413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144181669 is a prime.

It is a super-2 number, since 2×3144181669² = 19771756735351251122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144181619) 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, 17562 + ... + 81220.

It is an arithmetic number, because the mean of its divisors is an integer number (786073680).

Almost surely, 2^3144181669 is an apocalyptic number.

It is an amenable number.

3144181669 is a deficient number, since it is larger than the sum of its proper divisors (113051).

3144181669 is an equidigital number, since it uses as much as digits as its factorization.

3144181669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113050.

The product of its digits is 124416, while the sum is 43.

The square root of 3144181669 is about 56073.0030317621. The cubic root of 3144181669 is about 1464.9941049746.

The spelling of 3144181669 in words is "three billion, one hundred forty-four million, one hundred eighty-one thousand, six hundred sixty-nine".