48371909 has 2 divisors, whose sum is σ = 48371910. Its totient is φ = 48371908.

The previous prime is 48371903. The next prime is 48371933. The reversal of 48371909 is 90917384.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 22137025 = 5122^2 + 4705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48371909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48371903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24185954 + 24185955.

It is an arithmetic number, because the mean of its divisors is an integer number (24185955).

Almost surely, 2^48371909 is an apocalyptic number.

It is an amenable number.

48371909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48371909 is an equidigital number, since it uses as much as digits as its factorization.

48371909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 48371909 is about 6954.9916606708. The cubic root of 48371909 is about 364.3603207586.

The spelling of 48371909 in words is "forty-eight million, three hundred seventy-one thousand, nine hundred nine".