8342672909 has 2 divisors, whose sum is σ = 8342672910. Its totient is φ = 8342672908.

The previous prime is 8342672903. The next prime is 8342672927. The reversal of 8342672909 is 9092762438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6339662884 + 2003010025 = 79622^2 + 44755^2 .

It is a cyclic number.

It is not a de Polignac number, because 8342672909 - 2²⁴ = 8325895693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8342672903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171336454 + 4171336455.

It is an arithmetic number, because the mean of its divisors is an integer number (4171336455).

Almost surely, 2^8342672909 is an apocalyptic number.

It is an amenable number.

8342672909 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342672909 is an equidigital number, since it uses as much as digits as its factorization.

8342672909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 8342672909 is about 91338.2335552861. The cubic root of 8342672909 is about 2028.1577848912.

The spelling of 8342672909 in words is "eight billion, three hundred forty-two million, six hundred seventy-two thousand, nine hundred nine".