10204323406349 has 2 divisors, whose sum is σ = 10204323406350. Its totient is φ = 10204323406348.

The previous prime is 10204323406309. The next prime is 10204323406379. The reversal of 10204323406349 is 94360432340201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10068912654025 + 135410752324 = 3173155^2 + 367982^2 .

It is a cyclic number.

It is not a de Polignac number, because 10204323406349 - 2¹² = 10204323402253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10204323406309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102161703174 + 5102161703175.

It is an arithmetic number, because the mean of its divisors is an integer number (5102161703175).

Almost surely, 2^{10204323406349} is an apocalyptic number.

It is an amenable number.

10204323406349 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204323406349 is an equidigital number, since it uses as much as digits as its factorization.

10204323406349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 10204323406349 in words is "ten trillion, two hundred four billion, three hundred twenty-three million, four hundred six thousand, three hundred forty-nine".