378211741 has 2 divisors, whose sum is σ = 378211742. Its totient is φ = 378211740.

The previous prime is 378211727. The next prime is 378211751. The reversal of 378211741 is 147112873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318087225 + 60124516 = 17835^2 + 7754^2 .

It is an emirp because it is prime and its reverse (147112873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378211741 - 2⁵ = 378211709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378211697 and 378211706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378211751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189105870 + 189105871.

It is an arithmetic number, because the mean of its divisors is an integer number (189105871).

Almost surely, 2^378211741 is an apocalyptic number.

It is an amenable number.

378211741 is a deficient number, since it is larger than the sum of its proper divisors (1).

378211741 is an equidigital number, since it uses as much as digits as its factorization.

378211741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 378211741 is about 19447.6667238001. Note that the first 3 decimals coincide. The cubic root of 378211741 is about 723.1776609125.

The spelling of 378211741 in words is "three hundred seventy-eight million, two hundred eleven thousand, seven hundred forty-one".