4321321404349 has 2 divisors, whose sum is σ = 4321321404350. Its totient is φ = 4321321404348.

The previous prime is 4321321404277. The next prime is 4321321404371. The reversal of 4321321404349 is 9434041231234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2697116444100 + 1624204960249 = 1642290^2 + 1274443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321321404349 - 2¹⁵ = 4321321371581 is a prime.

It is a super-2 number, since 2×4321321404349² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321321404949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160660702174 + 2160660702175.

It is an arithmetic number, because the mean of its divisors is an integer number (2160660702175).

Almost surely, 2^{4321321404349} is an apocalyptic number.

It is an amenable number.

4321321404349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321321404349 is an equidigital number, since it uses as much as digits as its factorization.

4321321404349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 4321321404349 in words is "four trillion, three hundred twenty-one billion, three hundred twenty-one million, four hundred four thousand, three hundred forty-nine".