1461676889 has 2 divisors, whose sum is σ = 1461676890. Its totient is φ = 1461676888.

The previous prime is 1461676861. The next prime is 1461676901. The reversal of 1461676889 is 9886761641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017099664 + 444577225 = 31892^2 + 21085^2 .

It is an emirp because it is prime and its reverse (9886761641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461676889 - 2²⁸ = 1193241433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1461676189) 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, 730838444 + 730838445.

It is an arithmetic number, because the mean of its divisors is an integer number (730838445).

Almost surely, 2^1461676889 is an apocalyptic number.

It is an amenable number.

1461676889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461676889 is an equidigital number, since it uses as much as digits as its factorization.

1461676889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 56.

The square root of 1461676889 is about 38231.8831474465. The cubic root of 1461676889 is about 1134.8813525248.

The spelling of 1461676889 in words is "one billion, four hundred sixty-one million, six hundred seventy-six thousand, eight hundred eighty-nine".