3144636309 has 8 divisors (see below), whose sum is σ = 4193482752. Its totient is φ = 2096107040.

The previous prime is 3144636293. The next prime is 3144636331. The reversal of 3144636309 is 9036364413.

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 3144636309 - 2⁴ = 3144636293 is a prime.

It is a super-2 number, since 2×3144636309² = 19777475031762286962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144636349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55104 + ... + 96569.

It is an arithmetic number, because the mean of its divisors is an integer number (524185344).

Almost surely, 2^3144636309 is an apocalyptic number.

It is an amenable number.

3144636309 is a deficient number, since it is larger than the sum of its proper divisors (1048846443).

3144636309 is a wasteful number, since it uses less digits than its factorization.

3144636309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158587.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 3144636309 is about 56077.0568860385. The cubic root of 3144636309 is about 1465.0647129409.

The spelling of 3144636309 in words is "three billion, one hundred forty-four million, six hundred thirty-six thousand, three hundred nine".