380446873889 has 2 divisors, whose sum is σ = 380446873890. Its totient is φ = 380446873888.

The previous prime is 380446873843. The next prime is 380446873907. The reversal of 380446873889 is 988378644083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279030102289 + 101416771600 = 528233^2 + 318460^2 .

It is a cyclic number.

It is not a de Polignac number, because 380446873889 - 2³² = 376151906593 is a prime.

It is not a weakly prime, because it can be changed into another prime (380446803889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190223436944 + 190223436945.

It is an arithmetic number, because the mean of its divisors is an integer number (190223436945).

Almost surely, 2^380446873889 is an apocalyptic number.

It is an amenable number.

380446873889 is a deficient number, since it is larger than the sum of its proper divisors (1).

380446873889 is an equidigital number, since it uses as much as digits as its factorization.

380446873889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222953472, while the sum is 68.

The spelling of 380446873889 in words is "three hundred eighty billion, four hundred forty-six million, eight hundred seventy-three thousand, eight hundred eighty-nine".