1434606665 has 4 divisors (see below), whose sum is σ = 1721528004. Its totient is φ = 1147685328.

The previous prime is 1434606643. The next prime is 1434606683. The reversal of 1434606665 is 5666064341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180526096 + 1254080569 = 13436^2 + 35413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434606665 - 2⁸ = 1434606409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 143460662 + ... + 143460671.

It is an arithmetic number, because the mean of its divisors is an integer number (430382001).

Almost surely, 2^1434606665 is an apocalyptic number.

It is an amenable number.

1434606665 is a deficient number, since it is larger than the sum of its proper divisors (286921339).

1434606665 is an equidigital number, since it uses as much as digits as its factorization.

1434606665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286921338.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 1434606665 is about 37876.2018291169. The cubic root of 1434606665 is about 1127.8316590764.

The spelling of 1434606665 in words is "one billion, four hundred thirty-four million, six hundred six thousand, six hundred sixty-five".