34043143201021 has 2 divisors, whose sum is σ = 34043143201022. Its totient is φ = 34043143201020.

The previous prime is 34043143201007. The next prime is 34043143201061. The reversal of 34043143201021 is 12010234134043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30999116259225 + 3044026941796 = 5567685^2 + 1744714^2 .

It is a cyclic number.

It is not a de Polignac number, because 34043143201021 - 2⁴³ = 25247050178813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34043143201061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021571600510 + 17021571600511.

It is an arithmetic number, because the mean of its divisors is an integer number (17021571600511).

Almost surely, 2^{34043143201021} is an apocalyptic number.

It is an amenable number.

34043143201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34043143201021 is an equidigital number, since it uses as much as digits as its factorization.

34043143201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 34043143201021 its reverse (12010234134043), we get a palindrome (46053377335064).

The spelling of 34043143201021 in words is "thirty-four trillion, forty-three billion, one hundred forty-three million, two hundred one thousand, twenty-one".