380850191 has 2 divisors, whose sum is σ = 380850192. Its totient is φ = 380850190.

The previous prime is 380850187. The next prime is 380850199. The reversal of 380850191 is 191058083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380850191 - 2² = 380850187 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380850199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190425095 + 190425096.

It is an arithmetic number, because the mean of its divisors is an integer number (190425096).

Almost surely, 2^380850191 is an apocalyptic number.

380850191 is a deficient number, since it is larger than the sum of its proper divisors (1).

380850191 is an equidigital number, since it uses as much as digits as its factorization.

380850191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 380850191 is about 19515.3834448622. The cubic root of 380850191 is about 724.8554232518.

The spelling of 380850191 in words is "three hundred eighty million, eight hundred fifty thousand, one hundred ninety-one".