1424672393 has 2 divisors, whose sum is σ = 1424672394. Its totient is φ = 1424672392.

The previous prime is 1424672339. The next prime is 1424672407. The reversal of 1424672393 is 3932764241.

Together with previous prime (1424672339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981443584 + 443228809 = 31328^2 + 21053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424672393 - 2⁶ = 1424672329 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 1424672393.

It is not a weakly prime, because it can be changed into another prime (1424672593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712336196 + 712336197.

It is an arithmetic number, because the mean of its divisors is an integer number (712336197).

Almost surely, 2^1424672393 is an apocalyptic number.

It is an amenable number.

1424672393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424672393 is an equidigital number, since it uses as much as digits as its factorization.

1424672393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 1424672393 is about 37744.8326662074. The cubic root of 1424672393 is about 1125.2223147150. Note that the first 3 decimals are identical.

The spelling of 1424672393 in words is "one billion, four hundred twenty-four million, six hundred seventy-two thousand, three hundred ninety-three".