421713334250 has 32 divisors (see below), whose sum is σ = 850174088400. Its totient is φ = 155709537600.

The previous prime is 421713334243. The next prime is 421713334261. The reversal of 421713334250 is 52433317124.

It can be written as a sum of positive squares in 8 ways, for example, as 11425685881 + 410287648369 = 106891^2 + 640537^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421713334250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64875725 + ... + 64882224.

Almost surely, 2^421713334250 is an apocalyptic number.

421713334250 is an abundant number, since it is smaller than the sum of its proper divisors (428460754150).

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

421713334250 is a wasteful number, since it uses less digits than its factorization.

421713334250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129757979 (or 129757969 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 421713334250 in words is "four hundred twenty-one billion, seven hundred thirteen million, three hundred thirty-four thousand, two hundred fifty".