1980830234 has 4 divisors (see below), whose sum is σ = 2971245354. Its totient is φ = 990415116.

The previous prime is 1980830227. The next prime is 1980830251. The reversal of 1980830234 is 4320380891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1950547225 + 30283009 = 44165^2 + 5503^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495207557 + ... + 495207560.

Almost surely, 2^1980830234 is an apocalyptic number.

1980830234 is a deficient number, since it is larger than the sum of its proper divisors (990415120).

1980830234 is an equidigital number, since it uses as much as digits as its factorization.

1980830234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990415119.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1980830234 is about 44506.5190056468. The cubic root of 1980830234 is about 1255.8827213611.

The spelling of 1980830234 in words is "one billion, nine hundred eighty million, eight hundred thirty thousand, two hundred thirty-four".