1434442421 has 4 divisors (see below), whose sum is σ = 1452600000. Its totient is φ = 1416284844.

The previous prime is 1434442409. The next prime is 1434442423. The reversal of 1434442421 is 1242444341.

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 not a de Polignac number, because 1434442421 - 2¹⁸ = 1434180277 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 (1434442423) 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, 9078671 + ... + 9078828.

It is an arithmetic number, because the mean of its divisors is an integer number (363150000).

Almost surely, 2^1434442421 is an apocalyptic number.

It is an amenable number.

1434442421 is a deficient number, since it is larger than the sum of its proper divisors (18157579).

1434442421 is an equidigital number, since it uses as much as digits as its factorization.

1434442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157578.

The product of its digits is 12288, while the sum is 29.

The square root of 1434442421 is about 37874.0335982319. The cubic root of 1434442421 is about 1127.7886166971.

Adding to 1434442421 its reverse (1242444341), we get a palindrome (2676886762).

It can be divided in two parts, 14344 and 42421, that added together give a palindrome (56765).

The spelling of 1434442421 in words is "one billion, four hundred thirty-four million, four hundred forty-two thousand, four hundred twenty-one".