3132809749 has 8 divisors (see below), whose sum is σ = 3234574080. Its totient is φ = 3031089600.

The previous prime is 3132809747. The next prime is 3132809791. The reversal of 3132809749 is 9479082313.

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 3132809749 - 2¹ = 3132809747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3132809699 and 3132809708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132809747) by changing a digit.

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, 193437 + ... + 209005.

It is an arithmetic number, because the mean of its divisors is an integer number (404321760).

Almost surely, 2^3132809749 is an apocalyptic number.

It is an amenable number.

3132809749 is a deficient number, since it is larger than the sum of its proper divisors (101764331).

3132809749 is a wasteful number, since it uses less digits than its factorization.

3132809749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 3132809749 is about 55971.5083680974. The cubic root of 3132809749 is about 1463.2257676560.

The spelling of 3132809749 in words is "three billion, one hundred thirty-two million, eight hundred nine thousand, seven hundred forty-nine".