380444164157 has 2 divisors, whose sum is σ = 380444164158. Its totient is φ = 380444164156.

The previous prime is 380444164153. The next prime is 380444164171. The reversal of 380444164157 is 751461444083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365983861156 + 14460303001 = 604966^2 + 120251^2 .

It is a cyclic number.

It is not a de Polignac number, because 380444164157 - 2² = 380444164153 is a prime.

It is a super-2 number, since 2×380444164157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380444164153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190222082078 + 190222082079.

It is an arithmetic number, because the mean of its divisors is an integer number (190222082079).

Almost surely, 2^380444164157 is an apocalyptic number.

It is an amenable number.

380444164157 is a deficient number, since it is larger than the sum of its proper divisors (1).

380444164157 is an equidigital number, since it uses as much as digits as its factorization.

380444164157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 380444164157 in words is "three hundred eighty billion, four hundred forty-four million, one hundred sixty-four thousand, one hundred fifty-seven".