1146986441 has 2 divisors, whose sum is σ = 1146986442. Its totient is φ = 1146986440.

The previous prime is 1146986431. The next prime is 1146986443. The reversal of 1146986441 is 1446896411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998244025 + 148742416 = 31595^2 + 12196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146986441 is a prime.

It is a Sophie Germain prime.

Together with 1146986443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1146986392 and 1146986401.

It is not a weakly prime, because it can be changed into another prime (1146986443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573493220 + 573493221.

It is an arithmetic number, because the mean of its divisors is an integer number (573493221).

Almost surely, 2^1146986441 is an apocalyptic number.

It is an amenable number.

1146986441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146986441 is an equidigital number, since it uses as much as digits as its factorization.

1146986441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 1146986441 is about 33867.1882653402. The cubic root of 1146986441 is about 1046.7736006590.

The spelling of 1146986441 in words is "one billion, one hundred forty-six million, nine hundred eighty-six thousand, four hundred forty-one".