434211133021 has 2 divisors, whose sum is σ = 434211133022. Its totient is φ = 434211133020.

The previous prime is 434211133009. The next prime is 434211133043. The reversal of 434211133021 is 120331112434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433998993796 + 212139225 = 658786^2 + 14565^2 .

It is a cyclic number.

It is not a de Polignac number, because 434211133021 - 2⁵ = 434211132989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434211103021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217105566510 + 217105566511.

It is an arithmetic number, because the mean of its divisors is an integer number (217105566511).

Almost surely, 2^434211133021 is an apocalyptic number.

It is an amenable number.

434211133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

434211133021 is an equidigital number, since it uses as much as digits as its factorization.

434211133021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 434211133021 its reverse (120331112434), we get a palindrome (554542245455).

The spelling of 434211133021 in words is "four hundred thirty-four billion, two hundred eleven million, one hundred thirty-three thousand, twenty-one".