1880065073 has 2 divisors, whose sum is σ = 1880065074. Its totient is φ = 1880065072.

The previous prime is 1880065069. The next prime is 1880065093. The reversal of 1880065073 is 3705600881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1741225984 + 138839089 = 41728^2 + 11783^2 .

It is an emirp because it is prime and its reverse (3705600881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1880065073 - 2² = 1880065069 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 (1880065013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940032536 + 940032537.

It is an arithmetic number, because the mean of its divisors is an integer number (940032537).

Almost surely, 2^1880065073 is an apocalyptic number.

It is an amenable number.

1880065073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880065073 is an equidigital number, since it uses as much as digits as its factorization.

1880065073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1880065073 is about 43359.7171692805. The cubic root of 1880065073 is about 1234.2153983152.

The spelling of 1880065073 in words is "one billion, eight hundred eighty million, sixty-five thousand, seventy-three".