2672493209 has 2 divisors, whose sum is σ = 2672493210. Its totient is φ = 2672493208.

The previous prime is 2672493193. The next prime is 2672493233. The reversal of 2672493209 is 9023942762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2641446025 + 31047184 = 51395^2 + 5572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672493209 - 2⁴ = 2672493193 is a prime.

It is a super-2 number, since 2×2672493209² = 14284439904302235362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2672493209.

It is not a weakly prime, because it can be changed into another prime (2672493259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336246604 + 1336246605.

It is an arithmetic number, because the mean of its divisors is an integer number (1336246605).

Almost surely, 2^2672493209 is an apocalyptic number.

It is an amenable number.

2672493209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2672493209 is an equidigital number, since it uses as much as digits as its factorization.

2672493209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 2672493209 is about 51696.1624204350. The cubic root of 2672493209 is about 1387.7317887146.

The spelling of 2672493209 in words is "two billion, six hundred seventy-two million, four hundred ninety-three thousand, two hundred nine".