380143913 has 2 divisors, whose sum is σ = 380143914. Its totient is φ = 380143912.

The previous prime is 380143891. The next prime is 380143991. The reversal of 380143913 is 319341083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365459689 + 14684224 = 19117^2 + 3832^2 .

It is a cyclic number.

It is not a de Polignac number, because 380143913 - 2⁸ = 380143657 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380143913.

It is not a weakly prime, because it can be changed into another prime (380143993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190071956 + 190071957.

It is an arithmetic number, because the mean of its divisors is an integer number (190071957).

Almost surely, 2^380143913 is an apocalyptic number.

It is an amenable number.

380143913 is a deficient number, since it is larger than the sum of its proper divisors (1).

380143913 is an equidigital number, since it uses as much as digits as its factorization.

380143913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 380143913 is about 19497.2796307587. The cubic root of 380143913 is about 724.4070700293.

Adding to 380143913 its reverse (319341083), we get a palindrome (699484996).

The spelling of 380143913 in words is "three hundred eighty million, one hundred forty-three thousand, nine hundred thirteen".