421405353035 has 4 divisors (see below), whose sum is σ = 505686423648. Its totient is φ = 337124282424.

The previous prime is 421405352947. The next prime is 421405353091. The reversal of 421405353035 is 530353504124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421405353035 - 2⁸ = 421405352779 is a prime.

It is a super-2 number, since 2×421405353035² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421405352986 and 421405353004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42140535299 + ... + 42140535308.

It is an arithmetic number, because the mean of its divisors is an integer number (126421605912).

Almost surely, 2^421405353035 is an apocalyptic number.

421405353035 is a deficient number, since it is larger than the sum of its proper divisors (84281070613).

421405353035 is an equidigital number, since it uses as much as digits as its factorization.

421405353035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84281070612.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 421405353035 its reverse (530353504124), we get a palindrome (951758857159).

The spelling of 421405353035 in words is "four hundred twenty-one billion, four hundred five million, three hundred fifty-three thousand, thirty-five".