2709221346 has 48 divisors (see below), whose sum is σ = 6325562880. Its totient is φ = 833073120.

The previous prime is 2709221311. The next prime is 2709221377. The reversal of 2709221346 is 6431229072.

It is a self number, because there is not a number n which added to its sum of digits gives 2709221346.

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 23 ways as a sum of consecutive naturals, for example, 521341 + ... + 526511.

It is an arithmetic number, because the mean of its divisors is an integer number (131782560).

Almost surely, 2^2709221346 is an apocalyptic number.

2709221346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2709221346 is an abundant number, since it is smaller than the sum of its proper divisors (3616341534).

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

2709221346 is a wasteful number, since it uses less digits than its factorization.

2709221346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431 (or 7428 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2709221346 is about 52050.1810371491. The cubic root of 2709221346 is about 1394.0600968172.

The spelling of 2709221346 in words is "two billion, seven hundred nine million, two hundred twenty-one thousand, three hundred forty-six".