1828845773 has 2 divisors, whose sum is σ = 1828845774. Its totient is φ = 1828845772.

The previous prime is 1828845749. The next prime is 1828845787. The reversal of 1828845773 is 3775488281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415414884 + 413430889 = 37622^2 + 20333^2 .

It is an emirp because it is prime and its reverse (3775488281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1828845773 - 2⁸ = 1828845517 is a prime.

It is a super-2 number, since 2×1828845773² = 6689353722839935058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828845793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914422886 + 914422887.

It is an arithmetic number, because the mean of its divisors is an integer number (914422887).

Almost surely, 2^1828845773 is an apocalyptic number.

It is an amenable number.

1828845773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828845773 is an equidigital number, since it uses as much as digits as its factorization.

1828845773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 53.

The square root of 1828845773 is about 42765.0064071081. The cubic root of 1828845773 is about 1222.9039871033.

The spelling of 1828845773 in words is "one billion, eight hundred twenty-eight million, eight hundred forty-five thousand, seven hundred seventy-three".