3119981724409 has 27 divisors (see below), whose sum is σ = 3465242545989. Its totient is φ = 2807007998520.

The previous prime is 3119981724397. The next prime is 3119981724449. The reversal of 3119981724409 is 9044271899113.

It is a happy number.

The square root of 3119981724409 is 1766347.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3119981724409 - 2²¹ = 3119979627257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3119981724449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2001270372 + ... + 2001271930.

Almost surely, 2^{3119981724409} is an apocalyptic number.

3119981724409 is the 1766347-th square number.

3119981724409 is the 883174-th centered octagonal number.

It is an amenable number.

3119981724409 is a deficient number, since it is larger than the sum of its proper divisors (345260821580).

3119981724409 is an frugal number, since it uses more digits than its factorization.

3119981724409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 3119981724409 in words is "three trillion, one hundred nineteen billion, nine hundred eighty-one million, seven hundred twenty-four thousand, four hundred nine".