334040213441021 has 2 divisors, whose sum is σ = 334040213441022. Its totient is φ = 334040213441020.

The previous prime is 334040213440987. The next prime is 334040213441069. The reversal of 334040213441021 is 120144312040433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306632109115396 + 27408104325625 = 17510914^2 + 5235275^2 .

It is a cyclic number.

It is not a de Polignac number, because 334040213441021 - 2⁶ = 334040213440957 is a prime.

It is a super-2 number, since 2×334040213441021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334040213401021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167020106720510 + 167020106720511.

It is an arithmetic number, because the mean of its divisors is an integer number (167020106720511).

Almost surely, 2^{334040213441021} is an apocalyptic number.

It is an amenable number.

334040213441021 is a deficient number, since it is larger than the sum of its proper divisors (1).

334040213441021 is an equidigital number, since it uses as much as digits as its factorization.

334040213441021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 334040213441021 its reverse (120144312040433), we get a palindrome (454184525481454).

The spelling of 334040213441021 in words is "three hundred thirty-four trillion, forty billion, two hundred thirteen million, four hundred forty-one thousand, twenty-one".