486245909 has 2 divisors, whose sum is σ = 486245910. Its totient is φ = 486245908.

The previous prime is 486245887. The next prime is 486245911. The reversal of 486245909 is 909542684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406143409 + 80102500 = 20153^2 + 8950^2 .

It is a cyclic number.

It is not a de Polignac number, because 486245909 - 2²⁴ = 469468693 is a prime.

Together with 486245911, 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 (486245989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243122954 + 243122955.

It is an arithmetic number, because the mean of its divisors is an integer number (243122955).

Almost surely, 2^486245909 is an apocalyptic number.

It is an amenable number.

486245909 is a deficient number, since it is larger than the sum of its proper divisors (1).

486245909 is an equidigital number, since it uses as much as digits as its factorization.

486245909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 486245909 is about 22050.9843090960. The cubic root of 486245909 is about 786.3550016432.

The spelling of 486245909 in words is "four hundred eighty-six million, two hundred forty-five thousand, nine hundred nine".