2129104936 has 16 divisors (see below), whose sum is σ = 4562367840. Its totient is φ = 912473520.

The previous prime is 2129104931. The next prime is 2129104993. The reversal of 2129104936 is 6394019212.

It is a junction number, because it is equal to n+sod(n) for n = 2129104895 and 2129104904.

It is not an unprimeable number, because it can be changed into a prime (2129104931) 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, 19009810 + ... + 19009921.

It is an arithmetic number, because the mean of its divisors is an integer number (285147990).

Almost surely, 2^2129104936 is an apocalyptic number.

It is an amenable number.

2129104936 is an abundant number, since it is smaller than the sum of its proper divisors (2433262904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129104936 is a wasteful number, since it uses less digits than its factorization.

2129104936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38019744 (or 38019740 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2129104936 is about 46142.2250872235. The cubic root of 2129104936 is about 1286.4681017762.

The spelling of 2129104936 in words is "two billion, one hundred twenty-nine million, one hundred four thousand, nine hundred thirty-six".