420234421433 has 8 divisors (see below), whose sum is σ = 444979244520. Its totient is φ = 395492392960.

The previous prime is 420234421333. The next prime is 420234421463. The reversal of 420234421433 is 334124432024.

It can be written as a sum of positive squares in 4 ways, for example, as 313573264 + 419920848169 = 17708^2 + 648013^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 420234421433 - 2⁸ = 420234421177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420234421433.

It is not an unprimeable number, because it can be changed into a prime (420234421463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385028 + ... + 994341.

It is an arithmetic number, because the mean of its divisors is an integer number (55622405565).

Almost surely, 2^420234421433 is an apocalyptic number.

It is an amenable number.

420234421433 is a deficient number, since it is larger than the sum of its proper divisors (24744823087).

420234421433 is a wasteful number, since it uses less digits than its factorization.

420234421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397307.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 420234421433 its reverse (334124432024), we get a palindrome (754358853457).

The spelling of 420234421433 in words is "four hundred twenty billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-three".