2129471810 has 16 divisors (see below), whose sum is σ = 3862311552. Its totient is φ = 845286000.

The previous prime is 2129471807. The next prime is 2129471819. The reversal of 2129471810 is 181749212.

It is a super-2 number, since 2×2129471810² = 9069300379169352200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2129471819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811466 + ... + 814085.

It is an arithmetic number, because the mean of its divisors is an integer number (241394472).

Almost surely, 2^2129471810 is an apocalyptic number.

2129471810 is a deficient number, since it is larger than the sum of its proper divisors (1732839742).

2129471810 is a wasteful number, since it uses less digits than its factorization.

2129471810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625689.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2129471810 is about 46146.2003852972. The cubic root of 2129471810 is about 1286.5419895688.

The spelling of 2129471810 in words is "two billion, one hundred twenty-nine million, four hundred seventy-one thousand, eight hundred ten".