2043080813 has 2 divisors, whose sum is σ = 2043080814. Its totient is φ = 2043080812.

The previous prime is 2043080807. The next prime is 2043080899. The reversal of 2043080813 is 3180803402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498231849 + 544848964 = 38707^2 + 23342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043080813 - 2²⁸ = 1774645357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043080803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021540406 + 1021540407.

It is an arithmetic number, because the mean of its divisors is an integer number (1021540407).

Almost surely, 2^2043080813 is an apocalyptic number.

It is an amenable number.

2043080813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043080813 is an equidigital number, since it uses as much as digits as its factorization.

2043080813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2043080813 is about 45200.4514689842. The cubic root of 2043080813 is about 1268.9032656605.

The spelling of 2043080813 in words is "two billion, forty-three million, eighty thousand, eight hundred thirteen".