1434487309 has 2 divisors, whose sum is σ = 1434487310. Its totient is φ = 1434487308.

The previous prime is 1434487259. The next prime is 1434487357. The reversal of 1434487309 is 9037844341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001722500 + 432764809 = 31650^2 + 20803^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434487309 - 2¹⁹ = 1433963021 is a prime.

It is a super-2 number, since 2×1434487309² = 4115507679364122962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434487399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717243654 + 717243655.

It is an arithmetic number, because the mean of its divisors is an integer number (717243655).

Almost surely, 2^1434487309 is an apocalyptic number.

It is an amenable number.

1434487309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434487309 is an equidigital number, since it uses as much as digits as its factorization.

1434487309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1434487309 is about 37874.6261895745. The cubic root of 1434487309 is about 1127.8003805357.

The spelling of 1434487309 in words is "one billion, four hundred thirty-four million, four hundred eighty-seven thousand, three hundred nine".