1883073649 has 2 divisors, whose sum is σ = 1883073650. Its totient is φ = 1883073648.

The previous prime is 1883073601. The next prime is 1883073653. The reversal of 1883073649 is 9463703881.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1295496049 + 587577600 = 35993^2 + 24240^2 .

It is an emirp because it is prime and its reverse (9463703881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1883073649 - 2¹¹ = 1883071601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1883073349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941536824 + 941536825.

It is an arithmetic number, because the mean of its divisors is an integer number (941536825).

Almost surely, 2^1883073649 is an apocalyptic number.

It is an amenable number.

1883073649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1883073649 is an equidigital number, since it uses as much as digits as its factorization.

1883073649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1883073649 is about 43394.3965161402. The cubic root of 1883073649 is about 1234.8733989234.

The spelling of 1883073649 in words is "one billion, eight hundred eighty-three million, seventy-three thousand, six hundred forty-nine".