1979089203 has 48 divisors (see below), whose sum is σ = 3310748160. Its totient is φ = 1029480192.

The previous prime is 1979089199. The next prime is 1979089261. The reversal of 1979089203 is 3029809791.

It is not a de Polignac number, because 1979089203 - 2² = 1979089199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1979039203) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 255258 + ... + 262896.

It is an arithmetic number, because the mean of its divisors is an integer number (68973920).

Almost surely, 2^1979089203 is an apocalyptic number.

1979089203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1979089203 is a deficient number, since it is larger than the sum of its proper divisors (1331658957).

1979089203 is a wasteful number, since it uses less digits than its factorization.

1979089203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 1979089203 is about 44486.9554251581. The cubic root of 1979089203 is about 1255.5146649715.

The spelling of 1979089203 in words is "one billion, nine hundred seventy-nine million, eighty-nine thousand, two hundred three".