2175472349 has 2 divisors, whose sum is σ = 2175472350. Its totient is φ = 2175472348.

The previous prime is 2175472339. The next prime is 2175472357. The reversal of 2175472349 is 9432745712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1474176025 + 701296324 = 38395^2 + 26482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2175472349 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 (2175472339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087736174 + 1087736175.

It is an arithmetic number, because the mean of its divisors is an integer number (1087736175).

Almost surely, 2^2175472349 is an apocalyptic number.

It is an amenable number.

2175472349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175472349 is an equidigital number, since it uses as much as digits as its factorization.

2175472349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 2175472349 is about 46641.9591033653. The cubic root of 2175472349 is about 1295.7399703521.

The spelling of 2175472349 in words is "two billion, one hundred seventy-five million, four hundred seventy-two thousand, three hundred forty-nine".