413021004421 has 2 divisors, whose sum is σ = 413021004422. Its totient is φ = 413021004420.

The previous prime is 413021004397. The next prime is 413021004433. The reversal of 413021004421 is 124400120314.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412984884321 + 36120100 = 642639^2 + 6010^2 .

It is a cyclic number.

It is not a de Polignac number, because 413021004421 - 2⁹ = 413021003909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 413021004392 and 413021004401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413021005421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206510502210 + 206510502211.

It is an arithmetic number, because the mean of its divisors is an integer number (206510502211).

Almost surely, 2^413021004421 is an apocalyptic number.

It is an amenable number.

413021004421 is a deficient number, since it is larger than the sum of its proper divisors (1).

413021004421 is an equidigital number, since it uses as much as digits as its factorization.

413021004421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 413021004421 its reverse (124400120314), we get a palindrome (537421124735).

The spelling of 413021004421 in words is "four hundred thirteen billion, twenty-one million, four thousand, four hundred twenty-one".