48193909 has 2 divisors, whose sum is σ = 48193910. Its totient is φ = 48193908.

The previous prime is 48193897. The next prime is 48193913. The reversal of 48193909 is 90939184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42289009 + 5904900 = 6503^2 + 2430^2 .

It is a cyclic number.

It is not a de Polignac number, because 48193909 - 2¹³ = 48185717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48193949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24096954 + 24096955.

It is an arithmetic number, because the mean of its divisors is an integer number (24096955).

Almost surely, 2^48193909 is an apocalyptic number.

It is an amenable number.

48193909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48193909 is an equidigital number, since it uses as much as digits as its factorization.

48193909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 48193909 is about 6942.1833021032. The cubic root of 48193909 is about 363.9128444273.

The spelling of 48193909 in words is "forty-eight million, one hundred ninety-three thousand, nine hundred nine".