380447854309 has 2 divisors, whose sum is σ = 380447854310. Its totient is φ = 380447854308.

The previous prime is 380447854271. The next prime is 380447854321. The reversal of 380447854309 is 903458744083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256747930209 + 123699924100 = 506703^2 + 351710^2 .

It is a cyclic number.

It is not a de Polignac number, because 380447854309 - 2¹¹ = 380447852261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380447854309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380447854349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190223927154 + 190223927155.

It is an arithmetic number, because the mean of its divisors is an integer number (190223927155).

Almost surely, 2^380447854309 is an apocalyptic number.

It is an amenable number.

380447854309 is a deficient number, since it is larger than the sum of its proper divisors (1).

380447854309 is an equidigital number, since it uses as much as digits as its factorization.

380447854309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 380447854309 in words is "three hundred eighty billion, four hundred forty-seven million, eight hundred fifty-four thousand, three hundred nine".