1941487211 has 2 divisors, whose sum is σ = 1941487212. Its totient is φ = 1941487210.

The previous prime is 1941487151. The next prime is 1941487213. The reversal of 1941487211 is 1127841491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1941487211 is a prime.

Together with 1941487213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1941487213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970743605 + 970743606.

It is an arithmetic number, because the mean of its divisors is an integer number (970743606).

Almost surely, 2^1941487211 is an apocalyptic number.

1941487211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941487211 is an equidigital number, since it uses as much as digits as its factorization.

1941487211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 1941487211 is about 44062.3105499473. The cubic root of 1941487211 is about 1247.5123241393.

The spelling of 1941487211 in words is "one billion, nine hundred forty-one million, four hundred eighty-seven thousand, two hundred eleven".