2129396242 has 8 divisors (see below), whose sum is σ = 3194852976. Its totient is φ = 1064445252.

The previous prime is 2129396233. The next prime is 2129396261. The reversal of 2129396242 is 2426939212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2129396195 and 2129396204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115728 + ... + 132859.

It is an arithmetic number, because the mean of its divisors is an integer number (399356622).

Almost surely, 2^2129396242 is an apocalyptic number.

2129396242 is a deficient number, since it is larger than the sum of its proper divisors (1065456734).

2129396242 is a wasteful number, since it uses less digits than its factorization.

2129396242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252872.

The product of its digits is 93312, while the sum is 40.

The square root of 2129396242 is about 46145.3815890605. The cubic root of 2129396242 is about 1286.5267709976.

The spelling of 2129396242 in words is "two billion, one hundred twenty-nine million, three hundred ninety-six thousand, two hundred forty-two".