380210993 has 2 divisors, whose sum is σ = 380210994. Its totient is φ = 380210992.

The previous prime is 380210989. The next prime is 380211011. The reversal of 380210993 is 399012083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307756849 + 72454144 = 17543^2 + 8512^2 .

It is a cyclic number.

It is not a de Polignac number, because 380210993 - 2² = 380210989 is a prime.

It is not a weakly prime, because it can be changed into another prime (380210093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190105496 + 190105497.

It is an arithmetic number, because the mean of its divisors is an integer number (190105497).

Almost surely, 2^380210993 is an apocalyptic number.

It is an amenable number.

380210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

380210993 is an equidigital number, since it uses as much as digits as its factorization.

380210993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 380210993 is about 19498.9997948613. Note that the first 3 decimals coincide. The cubic root of 380210993 is about 724.4496770234.

The spelling of 380210993 in words is "three hundred eighty million, two hundred ten thousand, nine hundred ninety-three".