2873745761 has 2 divisors, whose sum is σ = 2873745762. Its totient is φ = 2873745760.

The previous prime is 2873745751. The next prime is 2873745767. The reversal of 2873745761 is 1675473782.

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., 2011971025 + 861774736 = 44855^2 + 29356^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873745761 - 2⁶ = 2873745697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2873745767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436872880 + 1436872881.

It is an arithmetic number, because the mean of its divisors is an integer number (1436872881).

Almost surely, 2^2873745761 is an apocalyptic number.

It is an amenable number.

2873745761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873745761 is an equidigital number, since it uses as much as digits as its factorization.

2873745761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 50.

The square root of 2873745761 is about 53607.3293589599. The cubic root of 2873745761 is about 1421.7266836825.

The spelling of 2873745761 in words is "two billion, eight hundred seventy-three million, seven hundred forty-five thousand, seven hundred sixty-one".