413033420021 has 2 divisors, whose sum is σ = 413033420022. Its totient is φ = 413033420020.

The previous prime is 413033420011. The next prime is 413033420087. The reversal of 413033420021 is 120024330314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306356715025 + 106676704996 = 553495^2 + 326614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413033420021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413033420011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206516710010 + 206516710011.

It is an arithmetic number, because the mean of its divisors is an integer number (206516710011).

Almost surely, 2^413033420021 is an apocalyptic number.

It is an amenable number.

413033420021 is a deficient number, since it is larger than the sum of its proper divisors (1).

413033420021 is an equidigital number, since it uses as much as digits as its factorization.

413033420021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 413033420021 its reverse (120024330314), we get a palindrome (533057750335).

The spelling of 413033420021 in words is "four hundred thirteen billion, thirty-three million, four hundred twenty thousand, twenty-one".