421441424433 has 6 divisors (see below), whose sum is σ = 608748724194. Its totient is φ = 280960949616.

The previous prime is 421441424423. The next prime is 421441424447. The reversal of 421441424433 is 334424144124.

421441424433 is a `hidden beast` number, since 4 + 214 + 4 + 1 + 4 + 2 + 4 + 433 = 666.

It can be written as a sum of positive squares in only one way, i.e., 419511403809 + 1930020624 = 647697^2 + 43932^2 .

It is not a de Polignac number, because 421441424433 - 2⁸ = 421441424177 is a prime.

It is a super-2 number, since 2×421441424433² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421441424423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23413412460 + ... + 23413412477.

It is an arithmetic number, because the mean of its divisors is an integer number (101458120699).

Almost surely, 2^421441424433 is an apocalyptic number.

It is an amenable number.

421441424433 is a deficient number, since it is larger than the sum of its proper divisors (187307299761).

421441424433 is a wasteful number, since it uses less digits than its factorization.

421441424433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46826824943 (or 46826824940 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 421441424433 its reverse (334424144124), we get a palindrome (755865568557).

The spelling of 421441424433 in words is "four hundred twenty-one billion, four hundred forty-one million, four hundred twenty-four thousand, four hundred thirty-three".