380437326161 has 2 divisors, whose sum is σ = 380437326162. Its totient is φ = 380437326160.

The previous prime is 380437326089. The next prime is 380437326163. The reversal of 380437326161 is 161623734083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353596729600 + 26840596561 = 594640^2 + 163831^2 .

It is a cyclic number.

It is not a de Polignac number, because 380437326161 - 2³⁴ = 363257456977 is a prime.

Together with 380437326163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (380437326163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190218663080 + 190218663081.

It is an arithmetic number, because the mean of its divisors is an integer number (190218663081).

Almost surely, 2^380437326161 is an apocalyptic number.

It is an amenable number.

380437326161 is a deficient number, since it is larger than the sum of its proper divisors (1).

380437326161 is an equidigital number, since it uses as much as digits as its factorization.

380437326161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 380437326161 in words is "three hundred eighty billion, four hundred thirty-seven million, three hundred twenty-six thousand, one hundred sixty-one".