2785464893 has 2 divisors, whose sum is σ = 2785464894. Its totient is φ = 2785464892.

The previous prime is 2785464883. The next prime is 2785464911. The reversal of 2785464893 is 3984645872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2528279524 + 257185369 = 50282^2 + 16037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2785464893 - 2¹⁰ = 2785463869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2785464863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392732446 + 1392732447.

It is an arithmetic number, because the mean of its divisors is an integer number (1392732447).

Almost surely, 2^2785464893 is an apocalyptic number.

It is an amenable number.

2785464893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785464893 is an equidigital number, since it uses as much as digits as its factorization.

2785464893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 56.

The square root of 2785464893 is about 52777.5036639665. The cubic root of 2785464893 is about 1407.0166273302.

The spelling of 2785464893 in words is "two billion, seven hundred eighty-five million, four hundred sixty-four thousand, eight hundred ninety-three".