2129474190 has 32 divisors (see below), whose sum is σ = 5128202016. Its totient is φ = 565919360.

The previous prime is 2129474183. The next prime is 2129474201. The reversal of 2129474190 is 914749212.

It is a super-2 number, since 2×2129474190² = 9069320651752312200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112341 + ... + 129920.

It is an arithmetic number, because the mean of its divisors is an integer number (160256313).

Almost surely, 2^2129474190 is an apocalyptic number.

2129474190 is an abundant number, since it is smaller than the sum of its proper divisors (2998727826).

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

2129474190 is a wasteful number, since it uses less digits than its factorization.

2129474190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242564.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2129474190 is about 46146.2261728952. The cubic root of 2129474190 is about 1286.5424688690.

The spelling of 2129474190 in words is "two billion, one hundred twenty-nine million, four hundred seventy-four thousand, one hundred ninety".