421432503436 has 12 divisors (see below), whose sum is σ = 842865006928. Its totient is φ = 180613930032.

The previous prime is 421432503419. The next prime is 421432503449. The reversal of 421432503436 is 634305234124.

421432503436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 421432503395 and 421432503404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525580391 + ... + 7525580446.

Almost surely, 2^421432503436 is an apocalyptic number.

It is an amenable number.

421432503436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421432503436 is a wasteful number, since it uses less digits than its factorization.

421432503436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051160848 (or 15051160846 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 421432503436 in words is "four hundred twenty-one billion, four hundred thirty-two million, five hundred three thousand, four hundred thirty-six".