3519980672909 has 2 divisors, whose sum is σ = 3519980672910. Its totient is φ = 3519980672908.

The previous prime is 3519980672869. The next prime is 3519980672917. The reversal of 3519980672909 is 9092760899153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2870916806884 + 649063866025 = 1694378^2 + 805645^2 .

It is an emirp because it is prime and its reverse (9092760899153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3519980672909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3519980672969) 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 as a sum of consecutive naturals, namely, 1759990336454 + 1759990336455.

It is an arithmetic number, because the mean of its divisors is an integer number (1759990336455).

Almost surely, 2^{3519980672909} is an apocalyptic number.

It is an amenable number.

3519980672909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3519980672909 is an equidigital number, since it uses as much as digits as its factorization.

3519980672909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66134880, while the sum is 68.

The spelling of 3519980672909 in words is "three trillion, five hundred nineteen billion, nine hundred eighty million, six hundred seventy-two thousand, nine hundred nine".