486926789 has 2 divisors, whose sum is σ = 486926790. Its totient is φ = 486926788.

The previous prime is 486926779. The next prime is 486926821. The reversal of 486926789 is 987629684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365001025 + 121925764 = 19105^2 + 11042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486926789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486926729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243463394 + 243463395.

It is an arithmetic number, because the mean of its divisors is an integer number (243463395).

Almost surely, 2^486926789 is an apocalyptic number.

It is an amenable number.

486926789 is a deficient number, since it is larger than the sum of its proper divisors (1).

486926789 is an equidigital number, since it uses as much as digits as its factorization.

486926789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 59.

The square root of 486926789 is about 22066.4176748289. The cubic root of 486926789 is about 786.7218692908.

The spelling of 486926789 in words is "four hundred eighty-six million, nine hundred twenty-six thousand, seven hundred eighty-nine".