2680321355 has 16 divisors (see below), whose sum is σ = 3433363200. Its totient is φ = 2002785120.

The previous prime is 2680321309. The next prime is 2680321387. The reversal of 2680321355 is 5531230862.

It is a de Polignac number, because none of the positive numbers 2^k-2680321355 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191945 + ... + 205434.

It is an arithmetic number, because the mean of its divisors is an integer number (214585200).

Almost surely, 2^2680321355 is an apocalyptic number.

2680321355 is a deficient number, since it is larger than the sum of its proper divisors (753041845).

2680321355 is a wasteful number, since it uses less digits than its factorization.

2680321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397474.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2680321355 is about 51771.8200858343. The cubic root of 2680321355 is about 1389.0854282567.

The spelling of 2680321355 in words is "two billion, six hundred eighty million, three hundred twenty-one thousand, three hundred fifty-five".