1434997409 has 4 divisors (see below), whose sum is σ = 1481287680. Its totient is φ = 1388707140.

The previous prime is 1434997397. The next prime is 1434997423. The reversal of 1434997409 is 9047994341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434997409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434991409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23145089 + ... + 23145150.

It is an arithmetic number, because the mean of its divisors is an integer number (370321920).

Almost surely, 2^1434997409 is an apocalyptic number.

It is an amenable number.

1434997409 is a deficient number, since it is larger than the sum of its proper divisors (46290271).

1434997409 is an equidigital number, since it uses as much as digits as its factorization.

1434997409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46290270.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1434997409 is about 37881.3596508890. The cubic root of 1434997409 is about 1127.9340456655.

The spelling of 1434997409 in words is "one billion, four hundred thirty-four million, nine hundred ninety-seven thousand, four hundred nine".