2129973196 has 12 divisors (see below), whose sum is σ = 4014180352. Its totient is φ = 983064528.

The previous prime is 2129973193. The next prime is 2129973211. The reversal of 2129973196 is 6913799212.

It is not an unprimeable number, because it can be changed into a prime (2129973193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20480460 + ... + 20480563.

Almost surely, 2^2129973196 is an apocalyptic number.

2129973196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2129973196 is a deficient number, since it is larger than the sum of its proper divisors (1884207156).

2129973196 is a wasteful number, since it uses less digits than its factorization.

2129973196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40961040 (or 40961038 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 2129973196 is about 46151.6326471773. The cubic root of 2129973196 is about 1286.6429541240.

The spelling of 2129973196 in words is "two billion, one hundred twenty-nine million, nine hundred seventy-three thousand, one hundred ninety-six".