20334135432349 has 2 divisors, whose sum is σ = 20334135432350. Its totient is φ = 20334135432348.

The previous prime is 20334135432343. The next prime is 20334135432361. The reversal of 20334135432349 is 94323453143302.

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., 14478253300900 + 5855882131449 = 3805030^2 + 2419893^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334135432349 - 2²⁷ = 20334001214621 is a prime.

It is a super-2 number, since 2×20334135432349² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20334135432299 and 20334135432308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334135432343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167067716174 + 10167067716175.

It is an arithmetic number, because the mean of its divisors is an integer number (10167067716175).

Almost surely, 2^{20334135432349} is an apocalyptic number.

It is an amenable number.

20334135432349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334135432349 is an equidigital number, since it uses as much as digits as its factorization.

20334135432349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 20334135432349 in words is "twenty trillion, three hundred thirty-four billion, one hundred thirty-five million, four hundred thirty-two thousand, three hundred forty-nine".