1434820409 has 8 divisors (see below), whose sum is σ = 1568878752. Its totient is φ = 1301365440.

The previous prime is 1434820403. The next prime is 1434820423. The reversal of 1434820409 is 9040284341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434820409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434820403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145859 + ... + 155384.

It is an arithmetic number, because the mean of its divisors is an integer number (196109844).

Almost surely, 2^1434820409 is an apocalyptic number.

It is an amenable number.

1434820409 is a deficient number, since it is larger than the sum of its proper divisors (134058343).

1434820409 is a wasteful number, since it uses less digits than its factorization.

1434820409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301687.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1434820409 is about 37879.0233374621. The cubic root of 1434820409 is about 1127.8876686862.

The spelling of 1434820409 in words is "one billion, four hundred thirty-four million, eight hundred twenty thousand, four hundred nine".