421204104253 has 8 divisors (see below), whose sum is σ = 435735619200. Its totient is φ = 406673071728.

The previous prime is 421204104227. The next prime is 421204104271. The reversal of 421204104253 is 352401402124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421204104253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421204144253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312000 + ... + 3436822.

It is an arithmetic number, because the mean of its divisors is an integer number (54466952400).

Almost surely, 2^421204104253 is an apocalyptic number.

It is an amenable number.

421204104253 is a deficient number, since it is larger than the sum of its proper divisors (14531514947).

421204104253 is a wasteful number, since it uses less digits than its factorization.

421204104253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241211.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 421204104253 its reverse (352401402124), we get a palindrome (773605506377).

The spelling of 421204104253 in words is "four hundred twenty-one billion, two hundred four million, one hundred four thousand, two hundred fifty-three".