2873181761 has 2 divisors, whose sum is σ = 2873181762. Its totient is φ = 2873181760.

The previous prime is 2873181721. The next prime is 2873181793. The reversal of 2873181761 is 1671813782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2526067600 + 347114161 = 50260^2 + 18631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873181761 - 2¹⁴ = 2873165377 is a prime.

It is a super-2 number, since 2×2873181761² = 16510346863486122242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2873181721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436590880 + 1436590881.

It is an arithmetic number, because the mean of its divisors is an integer number (1436590881).

Almost surely, 2^2873181761 is an apocalyptic number.

It is an amenable number.

2873181761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873181761 is an equidigital number, since it uses as much as digits as its factorization.

2873181761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 44.

The square root of 2873181761 is about 53602.0686261267. The cubic root of 2873181761 is about 1421.6336684591.

The spelling of 2873181761 in words is "two billion, eight hundred seventy-three million, one hundred eighty-one thousand, seven hundred sixty-one".