2873023781 has 2 divisors, whose sum is σ = 2873023782. Its totient is φ = 2873023780.

The previous prime is 2873023753. The next prime is 2873023799. The reversal of 2873023781 is 1873203782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2682307681 + 190716100 = 51791^2 + 13810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2873023781 is a prime.

It is a super-2 number, since 2×2873023781² = 16508531292383071922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2873023481) 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, 1436511890 + 1436511891.

It is an arithmetic number, because the mean of its divisors is an integer number (1436511891).

Almost surely, 2^2873023781 is an apocalyptic number.

It is an amenable number.

2873023781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873023781 is an equidigital number, since it uses as much as digits as its factorization.

2873023781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2873023781 is about 53600.5949687128. The cubic root of 2873023781 is about 1421.6076121190.

The spelling of 2873023781 in words is "two billion, eight hundred seventy-three million, twenty-three thousand, seven hundred eighty-one".