1434232421 has 8 divisors (see below), whose sum is σ = 1533636504. Its totient is φ = 1336499200.

The previous prime is 1434232403. The next prime is 1434232433. The reversal of 1434232421 is 1242324341.

It can be written as a sum of positive squares in 4 ways, for example, as 588062500 + 846169921 = 24250^2 + 29089^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1434232421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434232451) 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, 415940 + ... + 419373.

It is an arithmetic number, because the mean of its divisors is an integer number (191704563).

Almost surely, 2^1434232421 is an apocalyptic number.

It is an amenable number.

1434232421 is a deficient number, since it is larger than the sum of its proper divisors (99404083).

1434232421 is a wasteful number, since it uses less digits than its factorization.

1434232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835431.

The product of its digits is 4608, while the sum is 26.

The square root of 1434232421 is about 37871.2611487920. The cubic root of 1434232421 is about 1127.7335785479.

Adding to 1434232421 its reverse (1242324341), we get a palindrome (2676556762).

The spelling of 1434232421 in words is "one billion, four hundred thirty-four million, two hundred thirty-two thousand, four hundred twenty-one".