421034104213 has 4 divisors (see below), whose sum is σ = 431303228748. Its totient is φ = 410764979680.

The previous prime is 421034104201. The next prime is 421034104273. The reversal of 421034104213 is 312401430124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61138496644 + 359895607569 = 247262^2 + 599913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421034104213 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 (421034104273) 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, 5134562206 + ... + 5134562287.

It is an arithmetic number, because the mean of its divisors is an integer number (107825807187).

Almost surely, 2^421034104213 is an apocalyptic number.

It is an amenable number.

421034104213 is a deficient number, since it is larger than the sum of its proper divisors (10269124535).

421034104213 is a wasteful number, since it uses less digits than its factorization.

421034104213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269124534.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 421034104213 its reverse (312401430124), we get a palindrome (733435534337).

The spelling of 421034104213 in words is "four hundred twenty-one billion, thirty-four million, one hundred four thousand, two hundred thirteen".