3119981724449 has 2 divisors, whose sum is σ = 3119981724450. Its totient is φ = 3119981724448.

The previous prime is 3119981724397. The next prime is 3119981724469. The reversal of 3119981724449 is 9444271899113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1826457646225 + 1293524078224 = 1351465^2 + 1137332^2 .

It is a cyclic number.

It is not a de Polignac number, because 3119981724449 - 2²⁰ = 3119980675873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3119981724391 and 3119981724400.

It is not a weakly prime, because it can be changed into another prime (3119981724469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559990862224 + 1559990862225.

It is an arithmetic number, because the mean of its divisors is an integer number (1559990862225).

Almost surely, 2^{3119981724449} is an apocalyptic number.

It is an amenable number.

3119981724449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3119981724449 is an equidigital number, since it uses as much as digits as its factorization.

3119981724449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The spelling of 3119981724449 in words is "three trillion, one hundred nineteen billion, nine hundred eighty-one million, seven hundred twenty-four thousand, four hundred forty-nine".