2109261282 has 8 divisors (see below), whose sum is σ = 4218522576. Its totient is φ = 703087092.

The previous prime is 2109261251. The next prime is 2109261293. The reversal of 2109261282 is 2821629012.

It is a sphenic number, since it is the product of 3 distinct primes.

2109261282 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175771768 + ... + 175771779.

It is an arithmetic number, because the mean of its divisors is an integer number (527315322).

Almost surely, 2^2109261282 is an apocalyptic number.

2109261282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2109261282 is a wasteful number, since it uses less digits than its factorization.

2109261282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351543552.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2109261282 is about 45926.6946557228. The cubic root of 2109261282 is about 1282.4589130695.

The spelling of 2109261282 in words is "two billion, one hundred nine million, two hundred sixty-one thousand, two hundred eighty-two".