48718009 has 2 divisors, whose sum is σ = 48718010. Its totient is φ = 48718008.

The previous prime is 48717967. The next prime is 48718013. The reversal of 48718009 is 90081784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33872400 + 14845609 = 5820^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 48718009 - 2⁹ = 48717497 is a prime.

It is not a weakly prime, because it can be changed into another prime (48718069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24359004 + 24359005.

It is an arithmetic number, because the mean of its divisors is an integer number (24359005).

Almost surely, 2^48718009 is an apocalyptic number.

It is an amenable number.

48718009 is a deficient number, since it is larger than the sum of its proper divisors (1).

48718009 is an equidigital number, since it uses as much as digits as its factorization.

48718009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 48718009 is about 6979.8287228269. The cubic root of 48718009 is about 365.2272532384.

It can be divided in two parts, 4871 and 8009, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 48718009 in words is "forty-eight million, seven hundred eighteen thousand, nine".