421004404235 has 8 divisors (see below), whose sum is σ = 534923243136. Its totient is φ = 316991551360.

The previous prime is 421004404229. The next prime is 421004404253. The reversal of 421004404235 is 532404400124.

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

It is not a de Polignac number, because 421004404235 - 2¹⁴ = 421004387851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421004404198 and 421004404207.

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, 2476496411 + ... + 2476496580.

It is an arithmetic number, because the mean of its divisors is an integer number (66865405392).

Almost surely, 2^421004404235 is an apocalyptic number.

421004404235 is a deficient number, since it is larger than the sum of its proper divisors (113918838901).

421004404235 is a wasteful number, since it uses less digits than its factorization.

421004404235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952993013.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 421004404235 its reverse (532404400124), we get a palindrome (953408804359).

The spelling of 421004404235 in words is "four hundred twenty-one billion, four million, four hundred four thousand, two hundred thirty-five".