4538338177309 has 2 divisors, whose sum is σ = 4538338177310. Its totient is φ = 4538338177308.

The previous prime is 4538338177283. The next prime is 4538338177313. The reversal of 4538338177309 is 9037718338354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4366938037284 + 171400140025 = 2089722^2 + 414005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4538338177309 - 2⁹ = 4538338176797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4538338172309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269169088654 + 2269169088655.

It is an arithmetic number, because the mean of its divisors is an integer number (2269169088655).

Almost surely, 2^{4538338177309} is an apocalyptic number.

It is an amenable number.

4538338177309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538338177309 is an equidigital number, since it uses as much as digits as its factorization.

4538338177309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 4538338177309 in words is "four trillion, five hundred thirty-eight billion, three hundred thirty-eight million, one hundred seventy-seven thousand, three hundred nine".