1941956089 has 2 divisors, whose sum is σ = 1941956090. Its totient is φ = 1941956088.

The previous prime is 1941956041. The next prime is 1941956113. The reversal of 1941956089 is 9806591491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1655838864 + 286117225 = 40692^2 + 16915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1941956089 - 2¹¹ = 1941954041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1941956789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970978044 + 970978045.

It is an arithmetic number, because the mean of its divisors is an integer number (970978045).

Almost surely, 2^1941956089 is an apocalyptic number.

It is an amenable number.

1941956089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941956089 is an equidigital number, since it uses as much as digits as its factorization.

1941956089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 1941956089 is about 44067.6308530422. The cubic root of 1941956089 is about 1247.6127426911.

The spelling of 1941956089 in words is "one billion, nine hundred forty-one million, nine hundred fifty-six thousand, eighty-nine".