380737813 has 2 divisors, whose sum is σ = 380737814. Its totient is φ = 380737812.

The previous prime is 380737811. The next prime is 380737823. The reversal of 380737813 is 318737083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211789809 + 168948004 = 14553^2 + 12998^2 .

It is a cyclic number.

It is not a de Polignac number, because 380737813 - 2¹ = 380737811 is a prime.

It is a super-2 number, since 2×380737813² = 289922564496045938, which contains 22 as substring.

Together with 380737811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380737811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190368906 + 190368907.

It is an arithmetic number, because the mean of its divisors is an integer number (190368907).

Almost surely, 2^380737813 is an apocalyptic number.

It is an amenable number.

380737813 is a deficient number, since it is larger than the sum of its proper divisors (1).

380737813 is an equidigital number, since it uses as much as digits as its factorization.

380737813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 380737813 is about 19512.5040166556. The cubic root of 380737813 is about 724.7841215362.

The spelling of 380737813 in words is "three hundred eighty million, seven hundred thirty-seven thousand, eight hundred thirteen".