2106489970 has 32 divisors (see below), whose sum is σ = 4135057920. Its totient is φ = 767931840.

The previous prime is 2106489961. The next prime is 2106490013. The reversal of 2106489970 is 799846012.

It is a self number, because there is not a number n which added to its sum of digits gives 2106489970.

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, 92286 + ... + 112825.

It is an arithmetic number, because the mean of its divisors is an integer number (129220560).

Almost surely, 2^2106489970 is an apocalyptic number.

2106489970 is a deficient number, since it is larger than the sum of its proper divisors (2028567950).

2106489970 is a wasteful number, since it uses less digits than its factorization.

2106489970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205210.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2106489970 is about 45896.5137020232. The cubic root of 2106489970 is about 1281.8970020518.

The spelling of 2106489970 in words is "two billion, one hundred six million, four hundred eighty-nine thousand, nine hundred seventy".