2151679850 has 48 divisors (see below), whose sum is σ = 4127682240. Its totient is φ = 834086400.

The previous prime is 2151679813. The next prime is 2151679889. The reversal of 2151679850 is 589761512.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204314 + ... + 214586.

It is an arithmetic number, because the mean of its divisors is an integer number (85993380).

Almost surely, 2^2151679850 is an apocalyptic number.

2151679850 is a deficient number, since it is larger than the sum of its proper divisors (1976002390).

2151679850 is a wasteful number, since it uses less digits than its factorization.

2151679850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415 (or 10410 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The square root of 2151679850 is about 46386.2032289775. The cubic root of 2151679850 is about 1290.9989358083.

The spelling of 2151679850 in words is "two billion, one hundred fifty-one million, six hundred seventy-nine thousand, eight hundred fifty".