2109028970 has 16 divisors (see below), whose sum is σ = 3805276968. Its totient is φ = 841606080.

The previous prime is 2109028969. The next prime is 2109028997. The reversal of 2109028970 is 798209012.

It can be written as a sum of positive squares in 4 ways, for example, as 1383319249 + 725709721 = 37193^2 + 26939^2 .

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 7 ways as a sum of consecutive naturals, for example, 246269 + ... + 254688.

Almost surely, 2^2109028970 is an apocalyptic number.

2109028970 is a deficient number, since it is larger than the sum of its proper divisors (1696247998).

2109028970 is a wasteful number, since it uses less digits than its factorization.

2109028970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501385.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 2109028970 is about 45924.1654251876. The cubic root of 2109028970 is about 1282.4118284123.

The spelling of 2109028970 in words is "two billion, one hundred nine million, twenty-eight thousand, nine hundred seventy".