421433374041 has 45 divisors (see below), whose sum is σ = 668916913071. Its totient is φ = 264366462528.

The previous prime is 421433374013. The next prime is 421433374049. The reversal of 421433374041 is 140473334124.

The square root of 421433374041 is 649179.

It is a perfect power (a square), and thus also a powerful number.

421433374041 is a `hidden beast` number, since 4 + 214 + 3 + 3 + 37 + 404 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328105568025 + 93327806016 = 572805^2 + 305496^2 .

It is not a de Polignac number, because 421433374041 - 2¹³ = 421433365849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421433373987 and 421433374005.

It is not an unprimeable number, because it can be changed into a prime (421433374049) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 99322266 + ... + 99326508.

Almost surely, 2^421433374041 is an apocalyptic number.

421433374041 is the 649179-th square number.

421433374041 is the 324590-th centered octagonal number.

It is an amenable number.

421433374041 is a deficient number, since it is larger than the sum of its proper divisors (247483539030).

421433374041 is an frugal number, since it uses more digits than its factorization.

421433374041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Multiplying 421433374041 by its sum of digits (36), we get a square (15171601465476 = 3895074²).

The spelling of 421433374041 in words is "four hundred twenty-one billion, four hundred thirty-three million, three hundred seventy-four thousand, forty-one".