2474638709 has 2 divisors, whose sum is σ = 2474638710. Its totient is φ = 2474638708.

The previous prime is 2474638687. The next prime is 2474638729. The reversal of 2474638709 is 9078364742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1818766609 + 655872100 = 42647^2 + 25610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2474638709 - 2²⁸ = 2206203253 is a prime.

It is a super-3 number, since 3×2474638709³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (2474638729) 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, 1237319354 + 1237319355.

It is an arithmetic number, because the mean of its divisors is an integer number (1237319355).

Almost surely, 2^2474638709 is an apocalyptic number.

It is an amenable number.

2474638709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2474638709 is an equidigital number, since it uses as much as digits as its factorization.

2474638709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 2474638709 is about 49745.7406116343. The cubic root of 2474638709 is about 1352.6037921219.

The spelling of 2474638709 in words is "two billion, four hundred seventy-four million, six hundred thirty-eight thousand, seven hundred nine".