1980143596 has 12 divisors (see below), whose sum is σ = 3647633080. Its totient is φ = 937962720.

The previous prime is 1980143587. The next prime is 1980143621. The reversal of 1980143596 is 6953410891.

It is a super-2 number, since 2×1980143596² = 7841937321559622432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13027185 + ... + 13027336.

Almost surely, 2^1980143596 is an apocalyptic number.

It is an amenable number.

1980143596 is a deficient number, since it is larger than the sum of its proper divisors (1667489484).

1980143596 is a wasteful number, since it uses less digits than its factorization.

1980143596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26054544 (or 26054542 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1980143596 is about 44498.8044333778. The cubic root of 1980143596 is about 1255.7375908926.

The spelling of 1980143596 in words is "one billion, nine hundred eighty million, one hundred forty-three thousand, five hundred ninety-six".