4109390845321 has 2 divisors, whose sum is σ = 4109390845322. Its totient is φ = 4109390845320.

The previous prime is 4109390845283. The next prime is 4109390845381. The reversal of 4109390845321 is 1235480939014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3621713486400 + 487677358921 = 1903080^2 + 698339^2 .

It is a cyclic number.

It is not a de Polignac number, because 4109390845321 - 2¹³ = 4109390837129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4109390845381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054695422660 + 2054695422661.

It is an arithmetic number, because the mean of its divisors is an integer number (2054695422661).

Almost surely, 2^{4109390845321} is an apocalyptic number.

It is an amenable number.

4109390845321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4109390845321 is an equidigital number, since it uses as much as digits as its factorization.

4109390845321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 4109390845321 in words is "four trillion, one hundred nine billion, three hundred ninety million, eight hundred forty-five thousand, three hundred twenty-one".