2133311977 has 2 divisors, whose sum is σ = 2133311978. Its totient is φ = 2133311976.

The previous prime is 2133311953. The next prime is 2133311989. The reversal of 2133311977 is 7791133312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931075136 + 202236841 = 43944^2 + 14221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133311977 - 2¹⁹ = 2132787689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2133314977) 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, 1066655988 + 1066655989.

It is an arithmetic number, because the mean of its divisors is an integer number (1066655989).

Almost surely, 2^2133311977 is an apocalyptic number.

It is an amenable number.

2133311977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133311977 is an equidigital number, since it uses as much as digits as its factorization.

2133311977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 37.

The square root of 2133311977 is about 46187.7903455015. The cubic root of 2133311977 is about 1287.3148837696.

The spelling of 2133311977 in words is "two billion, one hundred thirty-three million, three hundred eleven thousand, nine hundred seventy-seven".