1828216477 has 2 divisors, whose sum is σ = 1828216478. Its totient is φ = 1828216476.

The previous prime is 1828216469. The next prime is 1828216483. The reversal of 1828216477 is 7746128281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1469265561 + 358950916 = 38331^2 + 18946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828216477 - 2³ = 1828216469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828216427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914108238 + 914108239.

It is an arithmetic number, because the mean of its divisors is an integer number (914108239).

Almost surely, 2^1828216477 is an apocalyptic number.

It is an amenable number.

1828216477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828216477 is an equidigital number, since it uses as much as digits as its factorization.

1828216477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 46.

The square root of 1828216477 is about 42757.6481696550. The cubic root of 1828216477 is about 1222.7637061160.

The spelling of 1828216477 in words is "one billion, eight hundred twenty-eight million, two hundred sixteen thousand, four hundred seventy-seven".