1434521959 has 4 divisors (see below), whose sum is σ = 1544869816. Its totient is φ = 1324174104.

The previous prime is 1434521953. The next prime is 1434522013. The reversal of 1434521959 is 9591254341.

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

It is a cyclic number.

It is not a de Polignac number, because 1434521959 - 2⁹ = 1434521447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434521953) by changing a digit.

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, 55173909 + ... + 55173934.

It is an arithmetic number, because the mean of its divisors is an integer number (386217454).

Almost surely, 2^1434521959 is an apocalyptic number.

1434521959 is a deficient number, since it is larger than the sum of its proper divisors (110347857).

1434521959 is a wasteful number, since it uses less digits than its factorization.

1434521959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110347856.

The product of its digits is 194400, while the sum is 43.

The square root of 1434521959 is about 37875.0836170694. The cubic root of 1434521959 is about 1127.8094611246.

The spelling of 1434521959 in words is "one billion, four hundred thirty-four million, five hundred twenty-one thousand, nine hundred fifty-nine".