421804181035 has 16 divisors (see below), whose sum is σ = 522570765312. Its totient is φ = 326509423200.

The previous prime is 421804181023. The next prime is 421804181041. The reversal of 421804181035 is 530181408124.

It is not a de Polignac number, because 421804181035 - 2¹⁵ = 421804148267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421804180985 and 421804181003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858880 + ... + 1257490.

It is an arithmetic number, because the mean of its divisors is an integer number (32660672832).

Almost surely, 2^421804181035 is an apocalyptic number.

421804181035 is a deficient number, since it is larger than the sum of its proper divisors (100766584277).

421804181035 is a wasteful number, since it uses less digits than its factorization.

421804181035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405474.

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 421804181035 its reverse (530181408124), we get a palindrome (951985589159).

The spelling of 421804181035 in words is "four hundred twenty-one billion, eight hundred four million, one hundred eighty-one thousand, thirty-five".