1214669447 has 2 divisors, whose sum is σ = 1214669448. Its totient is φ = 1214669446.

The previous prime is 1214669383. The next prime is 1214669473. The reversal of 1214669447 is 7449664121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7449664121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214669447 - 2⁶ = 1214669383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214669398 and 1214669407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214669747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607334723 + 607334724.

It is an arithmetic number, because the mean of its divisors is an integer number (607334724).

Almost surely, 2^1214669447 is an apocalyptic number.

1214669447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214669447 is an equidigital number, since it uses as much as digits as its factorization.

1214669447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 1214669447 is about 34852.1082145686. The cubic root of 1214669447 is about 1066.9712137015.

The spelling of 1214669447 in words is "one billion, two hundred fourteen million, six hundred sixty-nine thousand, four hundred forty-seven".