421344501234 has 16 divisors (see below), whose sum is σ = 860618556288. Its totient is φ = 137459908112.

The previous prime is 421344501209. The next prime is 421344501241. The reversal of 421344501234 is 432105443124.

It is a junction number, because it is equal to n+sod(n) for n = 421344501195 and 421344501204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747064437 + ... + 747065000.

It is an arithmetic number, because the mean of its divisors is an integer number (53788659768).

Almost surely, 2^421344501234 is an apocalyptic number.

421344501234 is an abundant number, since it is smaller than the sum of its proper divisors (439274055054).

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

421344501234 is a wasteful number, since it uses less digits than its factorization.

421344501234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494129489.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 421344501234 its reverse (432105443124), we get a palindrome (853449944358).

The spelling of 421344501234 in words is "four hundred twenty-one billion, three hundred forty-four million, five hundred one thousand, two hundred thirty-four".