2981771963 has 2 divisors, whose sum is σ = 2981771964. Its totient is φ = 2981771962.

The previous prime is 2981771869. The next prime is 2981771977. The reversal of 2981771963 is 3691771892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2981771963 - 2¹⁸ = 2981509819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2981771263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490885981 + 1490885982.

It is an arithmetic number, because the mean of its divisors is an integer number (1490885982).

Almost surely, 2^2981771963 is an apocalyptic number.

2981771963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981771963 is an equidigital number, since it uses as much as digits as its factorization.

2981771963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 53.

The square root of 2981771963 is about 54605.6037692104. The cubic root of 2981771963 is about 1439.3225921012.

The spelling of 2981771963 in words is "two billion, nine hundred eighty-one million, seven hundred seventy-one thousand, nine hundred sixty-three".