1980848637 has 12 divisors (see below), whose sum is σ = 2867107360. Its totient is φ = 1317851208.

The previous prime is 1980848603. The next prime is 1980848641. The reversal of 1980848637 is 7368480891.

It is not a de Polignac number, because 1980848637 - 2¹⁰ = 1980847613 is a prime.

It is a super-2 number, since 2×1980848637² = 7847522645409515538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980840637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221587 + ... + 230352.

Almost surely, 2^1980848637 is an apocalyptic number.

It is an amenable number.

1980848637 is a deficient number, since it is larger than the sum of its proper divisors (886258723).

1980848637 is a wasteful number, since it uses less digits than its factorization.

1980848637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452432 (or 452429 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 1980848637 is about 44506.7257501605. The cubic root of 1980848637 is about 1255.8866106290.

The spelling of 1980848637 in words is "one billion, nine hundred eighty million, eight hundred forty-eight thousand, six hundred thirty-seven".