2471708549 has 2 divisors, whose sum is σ = 2471708550. Its totient is φ = 2471708548.

The previous prime is 2471708539. The next prime is 2471708567. The reversal of 2471708549 is 9458071742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2110024225 + 361684324 = 45935^2 + 19018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471708549 is a prime.

It is a super-2 number, since 2×2471708549² = 12218686302399370802, which contains 22 as substring.

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 (2471708509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235854274 + 1235854275.

It is an arithmetic number, because the mean of its divisors is an integer number (1235854275).

Almost surely, 2^2471708549 is an apocalyptic number.

It is an amenable number.

2471708549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471708549 is an equidigital number, since it uses as much as digits as its factorization.

2471708549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2471708549 is about 49716.2805225813. The cubic root of 2471708549 is about 1352.0697194317.

The spelling of 2471708549 in words is "two billion, four hundred seventy-one million, seven hundred eight thousand, five hundred forty-nine".