486785381 has 2 divisors, whose sum is σ = 486785382. Its totient is φ = 486785380.

The previous prime is 486785353. The next prime is 486785393. The reversal of 486785381 is 183587684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485497156 + 1288225 = 22034^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 486785381 - 2¹⁰ = 486784357 is a prime.

It is a super-2 number, since 2×486785381² = 473920014310630322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486785081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243392690 + 243392691.

It is an arithmetic number, because the mean of its divisors is an integer number (243392691).

Almost surely, 2^486785381 is an apocalyptic number.

It is an amenable number.

486785381 is a deficient number, since it is larger than the sum of its proper divisors (1).

486785381 is an equidigital number, since it uses as much as digits as its factorization.

486785381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 50.

The square root of 486785381 is about 22063.2132972512. The cubic root of 486785381 is about 786.6457048382.

The spelling of 486785381 in words is "four hundred eighty-six million, seven hundred eighty-five thousand, three hundred eighty-one".