7874023609 has 2 divisors, whose sum is σ = 7874023610. Its totient is φ = 7874023608.

The previous prime is 7874023607. The next prime is 7874023631. The reversal of 7874023609 is 9063204787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6925568400 + 948455209 = 83220^2 + 30797^2 .

It is a cyclic number.

It is not a de Polignac number, because 7874023609 - 2¹ = 7874023607 is a prime.

Together with 7874023607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7874023607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937011804 + 3937011805.

It is an arithmetic number, because the mean of its divisors is an integer number (3937011805).

Almost surely, 2^7874023609 is an apocalyptic number.

It is an amenable number.

7874023609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874023609 is an equidigital number, since it uses as much as digits as its factorization.

7874023609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 7874023609 is about 88735.6952359083. The cubic root of 7874023609 is about 1989.4463758800.

The spelling of 7874023609 in words is "seven billion, eight hundred seventy-four million, twenty-three thousand, six hundred nine".