1911342241 has 2 divisors, whose sum is σ = 1911342242. Its totient is φ = 1911342240.

The previous prime is 1911342227. The next prime is 1911342271. The reversal of 1911342241 is 1422431191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1616361616 + 294980625 = 40204^2 + 17175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1911342241 - 2²⁵ = 1877787809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1911342271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955671120 + 955671121.

It is an arithmetic number, because the mean of its divisors is an integer number (955671121).

Almost surely, 2^1911342241 is an apocalyptic number.

It is an amenable number.

1911342241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1911342241 is an equidigital number, since it uses as much as digits as its factorization.

1911342241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 1911342241 is about 43718.9002720791. The cubic root of 1911342241 is about 1241.0220157675.

The spelling of 1911342241 in words is "one billion, nine hundred eleven million, three hundred forty-two thousand, two hundred forty-one".