2126509210 has 16 divisors (see below), whose sum is σ = 4374533376. Its totient is φ = 729088848.

The previous prime is 2126509171. The next prime is 2126509223. The reversal of 2126509210 is 129056212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15189282 + ... + 15189421.

It is an arithmetic number, because the mean of its divisors is an integer number (273408336).

Almost surely, 2^2126509210 is an apocalyptic number.

2126509210 is an abundant number, since it is smaller than the sum of its proper divisors (2248024166).

2126509210 is a wasteful number, since it uses less digits than its factorization.

2126509210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30378717.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2126509210 is about 46114.0890618041. The cubic root of 2126509210 is about 1285.9450843928.

The spelling of 2126509210 in words is "two billion, one hundred twenty-six million, five hundred nine thousand, two hundred ten".