5430345662321 has 2 divisors, whose sum is σ = 5430345662322. Its totient is φ = 5430345662320.

The previous prime is 5430345662267. The next prime is 5430345662377. The reversal of 5430345662321 is 1232665430345.

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., 4876677222400 + 553668439921 = 2208320^2 + 744089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5430345662321 - 2²² = 5430341468017 is a prime.

It is not a weakly prime, because it can be changed into another prime (5430345662221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715172831160 + 2715172831161.

It is an arithmetic number, because the mean of its divisors is an integer number (2715172831161).

Almost surely, 2^{5430345662321} is an apocalyptic number.

It is an amenable number.

5430345662321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5430345662321 is an equidigital number, since it uses as much as digits as its factorization.

5430345662321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 5430345662321 in words is "five trillion, four hundred thirty billion, three hundred forty-five million, six hundred sixty-two thousand, three hundred twenty-one".