1980000593 has 4 divisors (see below), whose sum is σ = 1987361460. Its totient is φ = 1972639728.

The previous prime is 1980000571. The next prime is 1980000613. The reversal of 1980000593 is 3950000891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3950000891 = 56171 ⋅70321.

It can be written as a sum of positive squares in 2 ways, for example, as 816644929 + 1163355664 = 28577^2 + 34108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980000593 - 2¹⁰ = 1979999569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980003593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680030 + ... + 3680567.

It is an arithmetic number, because the mean of its divisors is an integer number (496840365).

Almost surely, 2^1980000593 is an apocalyptic number.

It is an amenable number.

1980000593 is a deficient number, since it is larger than the sum of its proper divisors (7360867).

1980000593 is an equidigital number, since it uses as much as digits as its factorization.

1980000593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360866.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1980000593 is about 44497.1975859155. The cubic root of 1980000593 is about 1255.7073610032.

The spelling of 1980000593 in words is "one billion, nine hundred eighty million, five hundred ninety-three", and thus it is an aban number.