380185013 has 8 divisors (see below), whose sum is σ = 409854648. Its totient is φ = 350576064.

The previous prime is 380185007. The next prime is 380185033. The reversal of 380185013 is 310581083.

It can be written as a sum of positive squares in 4 ways, for example, as 109977169 + 270207844 = 10487^2 + 16438^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380185013 - 2¹⁰ = 380183989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380185033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 27627.

It is an arithmetic number, because the mean of its divisors is an integer number (51231831).

Almost surely, 2^380185013 is an apocalyptic number.

It is an amenable number.

380185013 is a deficient number, since it is larger than the sum of its proper divisors (29669635).

380185013 is a wasteful number, since it uses less digits than its factorization.

380185013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30343.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 380185013 is about 19498.3335954640. Note that the first 3 decimals coincide. The cubic root of 380185013 is about 724.4331759826.

The spelling of 380185013 in words is "three hundred eighty million, one hundred eighty-five thousand, thirteen".