1671883841 has 2 divisors, whose sum is σ = 1671883842. Its totient is φ = 1671883840.

The previous prime is 1671883793. The next prime is 1671883861. The reversal of 1671883841 is 1483881761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1563807025 + 108076816 = 39545^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671883841 - 2²² = 1667689537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1671883861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835941920 + 835941921.

It is an arithmetic number, because the mean of its divisors is an integer number (835941921).

Almost surely, 2^1671883841 is an apocalyptic number.

It is an amenable number.

1671883841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671883841 is an equidigital number, since it uses as much as digits as its factorization.

1671883841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 47.

The square root of 1671883841 is about 40888.6761952500. The cubic root of 1671883841 is about 1186.8669417038.

The spelling of 1671883841 in words is "one billion, six hundred seventy-one million, eight hundred eighty-three thousand, eight hundred forty-one".