1214664439 has 2 divisors, whose sum is σ = 1214664440. Its totient is φ = 1214664438.

The previous prime is 1214664403. The next prime is 1214664463. The reversal of 1214664439 is 9344664121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214664439 - 2²³ = 1206275831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214664839) 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, 607332219 + 607332220.

It is an arithmetic number, because the mean of its divisors is an integer number (607332220).

Almost surely, 2^1214664439 is an apocalyptic number.

1214664439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214664439 is an equidigital number, since it uses as much as digits as its factorization.

1214664439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 1214664439 is about 34852.0363680517. The cubic root of 1214664439 is about 1066.9697473495.

The spelling of 1214664439 in words is "one billion, two hundred fourteen million, six hundred sixty-four thousand, four hundred thirty-nine".