2129992708 has 12 divisors (see below), whose sum is σ = 3740660560. Its totient is φ = 1061232552.

The previous prime is 2129992703. The next prime is 2129992741. The reversal of 2129992708 is 8072999212.

It is a super-2 number, since 2×2129992708² = 9073737872266346528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2129992703) 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, 939678 + ... + 941941.

Almost surely, 2^2129992708 is an apocalyptic number.

It is an amenable number.

2129992708 is a deficient number, since it is larger than the sum of its proper divisors (1610667852).

2129992708 is a wasteful number, since it uses less digits than its factorization.

2129992708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881906 (or 1881904 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 2129992708 is about 46151.8440368313. The cubic root of 2129992708 is about 1286.6468829529.

The spelling of 2129992708 in words is "two billion, one hundred twenty-nine million, nine hundred ninety-two thousand, seven hundred eight".