380719919 has 2 divisors, whose sum is σ = 380719920. Its totient is φ = 380719918.

The previous prime is 380719901. The next prime is 380719949. The reversal of 380719919 is 919917083.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380719919 - 2¹⁶ = 380654383 is a prime.

It is a super-2 number, since 2×380719919² = 289895313446733122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380719949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190359959 + 190359960.

It is an arithmetic number, because the mean of its divisors is an integer number (190359960).

Almost surely, 2^380719919 is an apocalyptic number.

380719919 is a deficient number, since it is larger than the sum of its proper divisors (1).

380719919 is an equidigital number, since it uses as much as digits as its factorization.

380719919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 380719919 is about 19512.0454847768. The cubic root of 380719919 is about 724.7727668368.

The spelling of 380719919 in words is "three hundred eighty million, seven hundred nineteen thousand, nine hundred nineteen".