421012333534 has 8 divisors (see below), whose sum is σ = 680096846520. Its totient is φ = 194313384696.

The previous prime is 421012333531. The next prime is 421012333571. The reversal of 421012333534 is 435333210124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 421012333496 and 421012333505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421012333531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8096391004 + ... + 8096391055.

It is an arithmetic number, because the mean of its divisors is an integer number (85012105815).

Almost surely, 2^421012333534 is an apocalyptic number.

421012333534 is a deficient number, since it is larger than the sum of its proper divisors (259084512986).

421012333534 is a wasteful number, since it uses less digits than its factorization.

421012333534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192782074.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 421012333534 its reverse (435333210124), we get a palindrome (856345543658).

The spelling of 421012333534 in words is "four hundred twenty-one billion, twelve million, three hundred thirty-three thousand, five hundred thirty-four".