1424434387 has 2 divisors, whose sum is σ = 1424434388. Its totient is φ = 1424434386.

The previous prime is 1424434379. The next prime is 1424434433. The reversal of 1424434387 is 7834344241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7834344241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424434387 - 2³ = 1424434379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1424434787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712217193 + 712217194.

It is an arithmetic number, because the mean of its divisors is an integer number (712217194).

Almost surely, 2^1424434387 is an apocalyptic number.

1424434387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424434387 is an equidigital number, since it uses as much as digits as its factorization.

1424434387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 40.

The square root of 1424434387 is about 37741.6797055987. The cubic root of 1424434387 is about 1125.1596512848.

The spelling of 1424434387 in words is "one billion, four hundred twenty-four million, four hundred thirty-four thousand, three hundred eighty-seven".