2109980346 has 16 divisors (see below), whose sum is σ = 4230813600. Its totient is φ = 701517968.

The previous prime is 2109980333. The next prime is 2109980399. The reversal of 2109980346 is 6430899012.

It is a junction number, because it is equal to n+sod(n) for n = 2109980298 and 2109980307.

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, 449676 + ... + 454343.

It is an arithmetic number, because the mean of its divisors is an integer number (264425850).

Almost surely, 2^2109980346 is an apocalyptic number.

2109980346 is an abundant number, since it is smaller than the sum of its proper divisors (2120833254).

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

2109980346 is a wasteful number, since it uses less digits than its factorization.

2109980346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904413.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2109980346 is about 45934.5223769661. The cubic root of 2109980346 is about 1282.6046300040.

The spelling of 2109980346 in words is "two billion, one hundred nine million, nine hundred eighty thousand, three hundred forty-six".