1883148689 has 2 divisors, whose sum is σ = 1883148690. Its totient is φ = 1883148688.

The previous prime is 1883148677. The next prime is 1883148697. The reversal of 1883148689 is 9868413881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1544883025 + 338265664 = 39305^2 + 18392^2 .

It is an emirp because it is prime and its reverse (9868413881) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1883148689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1883148889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941574344 + 941574345.

It is an arithmetic number, because the mean of its divisors is an integer number (941574345).

Almost surely, 2^1883148689 is an apocalyptic number.

It is an amenable number.

1883148689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1883148689 is an equidigital number, since it uses as much as digits as its factorization.

1883148689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 56.

The square root of 1883148689 is about 43395.2611352899. The cubic root of 1883148689 is about 1234.8898018345.

The spelling of 1883148689 in words is "one billion, eight hundred eighty-three million, one hundred forty-eight thousand, six hundred eighty-nine".