1433420421 has 16 divisors (see below), whose sum is σ = 1996302336. Its totient is φ = 913158576.

The previous prime is 1433420413. The next prime is 1433420447. The reversal of 1433420421 is 1240243341.

It is not a de Polignac number, because 1433420421 - 2³ = 1433420413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1433420391 and 1433420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1433420321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63576 + ... + 83118.

It is an arithmetic number, because the mean of its divisors is an integer number (124768896).

Almost surely, 2^1433420421 is an apocalyptic number.

It is an amenable number.

1433420421 is a deficient number, since it is larger than the sum of its proper divisors (562881915).

1433420421 is a wasteful number, since it uses less digits than its factorization.

1433420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20632.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1433420421 is about 37860.5391007577. The cubic root of 1433420421 is about 1127.5207138080.

Adding to 1433420421 its reverse (1240243341), we get a palindrome (2673663762).

The spelling of 1433420421 in words is "one billion, four hundred thirty-three million, four hundred twenty thousand, four hundred twenty-one".