380970853 has 2 divisors, whose sum is σ = 380970854. Its totient is φ = 380970852.

The previous prime is 380970851. The next prime is 380970857. The reversal of 380970853 is 358079083.

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., 370100644 + 10870209 = 19238^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 380970853 - 2¹ = 380970851 is a prime.

Together with 380970851, 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 (380970851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190485426 + 190485427.

It is an arithmetic number, because the mean of its divisors is an integer number (190485427).

Almost surely, 2^380970853 is an apocalyptic number.

It is an amenable number.

380970853 is a deficient number, since it is larger than the sum of its proper divisors (1).

380970853 is an equidigital number, since it uses as much as digits as its factorization.

380970853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 380970853 is about 19518.4746586407. The cubic root of 380970853 is about 724.9319653954.

The spelling of 380970853 in words is "three hundred eighty million, nine hundred seventy thousand, eight hundred fifty-three".