1424976389 has 2 divisors, whose sum is σ = 1424976390. Its totient is φ = 1424976388.

The previous prime is 1424976373. The next prime is 1424976433. The reversal of 1424976389 is 9836794241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832784164 + 592192225 = 28858^2 + 24335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424976389 - 2⁴ = 1424976373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424976389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424976359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712488194 + 712488195.

It is an arithmetic number, because the mean of its divisors is an integer number (712488195).

Almost surely, 2^1424976389 is an apocalyptic number.

It is an amenable number.

1424976389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424976389 is an equidigital number, since it uses as much as digits as its factorization.

1424976389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 1424976389 is about 37748.8594397235. The cubic root of 1424976389 is about 1125.3023421790.

The spelling of 1424976389 in words is "one billion, four hundred twenty-four million, nine hundred seventy-six thousand, three hundred eighty-nine".