421050644236 has 6 divisors (see below), whose sum is σ = 736838627420. Its totient is φ = 210525322116.

The previous prime is 421050644219. The next prime is 421050644293. The reversal of 421050644236 is 632446050124.

It is a junction number, because it is equal to n+sod(n) for n = 421050644195 and 421050644204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52631330526 + ... + 52631330533.

Almost surely, 2^421050644236 is an apocalyptic number.

It is an amenable number.

421050644236 is a deficient number, since it is larger than the sum of its proper divisors (315787983184).

421050644236 is a wasteful number, since it uses less digits than its factorization.

421050644236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105262661063 (or 105262661061 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 421050644236 in words is "four hundred twenty-one billion, fifty million, six hundred forty-four thousand, two hundred thirty-six".