2000578673 has 2 divisors, whose sum is σ = 2000578674. Its totient is φ = 2000578672.

The previous prime is 2000578637. The next prime is 2000578687. The reversal of 2000578673 is 3768750002.

It is a happy number.

Together with previous prime (2000578637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1786921984 + 213656689 = 42272^2 + 14617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000578673 - 2⁸ = 2000578417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000578603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000289336 + 1000289337.

It is an arithmetic number, because the mean of its divisors is an integer number (1000289337).

Almost surely, 2^2000578673 is an apocalyptic number.

It is an amenable number.

2000578673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000578673 is an equidigital number, since it uses as much as digits as its factorization.

2000578673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2000578673 is about 44727.8288429027. The cubic root of 2000578673 is about 1260.0425518929.

The spelling of 2000578673 in words is "two billion, five hundred seventy-eight thousand, six hundred seventy-three".