2150955773 has 2 divisors, whose sum is σ = 2150955774. Its totient is φ = 2150955772.

The previous prime is 2150955671. The next prime is 2150955823. The reversal of 2150955773 is 3775590512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209509284 + 941446489 = 34778^2 + 30683^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150955773 - 2¹⁰ = 2150954749 is a prime.

It is a super-2 number, since 2×2150955773² = 9253221474804055058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150915773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075477886 + 1075477887.

It is an arithmetic number, because the mean of its divisors is an integer number (1075477887).

Almost surely, 2^2150955773 is an apocalyptic number.

It is an amenable number.

2150955773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150955773 is an equidigital number, since it uses as much as digits as its factorization.

2150955773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 2150955773 is about 46378.3976976350. The cubic root of 2150955773 is about 1290.8541051677.

The spelling of 2150955773 in words is "two billion, one hundred fifty million, nine hundred fifty-five thousand, seven hundred seventy-three".