48122909 has 2 divisors, whose sum is σ = 48122910. Its totient is φ = 48122908.

The previous prime is 48122857. The next prime is 48122911. The reversal of 48122909 is 90922184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 7546009 = 6370^2 + 2747^2 .

It is a cyclic number.

It is not a de Polignac number, because 48122909 - 2²⁰ = 47074333 is a prime.

Together with 48122911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48122959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24061454 + 24061455.

It is an arithmetic number, because the mean of its divisors is an integer number (24061455).

Almost surely, 2^48122909 is an apocalyptic number.

It is an amenable number.

48122909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48122909 is an equidigital number, since it uses as much as digits as its factorization.

48122909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 48122909 is about 6937.0677523000. The cubic root of 48122909 is about 363.7340492842.

The spelling of 48122909 in words is "forty-eight million, one hundred twenty-two thousand, nine hundred nine".