2818981355 has 8 divisors (see below), whose sum is σ = 3440113200. Its totient is φ = 2216961376.

The previous prime is 2818981273. The next prime is 2818981409. The reversal of 2818981355 is 5531898182.

It is a happy number.

2818981355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2818981355 - 2¹⁰ = 2818980331 is a prime.

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, 4777640 + ... + 4778229.

It is an arithmetic number, because the mean of its divisors is an integer number (430014150).

Almost surely, 2^2818981355 is an apocalyptic number.

2818981355 is a deficient number, since it is larger than the sum of its proper divisors (621131845).

2818981355 is an equidigital number, since it uses as much as digits as its factorization.

2818981355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555933.

The product of its digits is 691200, while the sum is 50.

The square root of 2818981355 is about 53094.0802255769. The cubic root of 2818981355 is about 1412.6375116600.

The spelling of 2818981355 in words is "two billion, eight hundred eighteen million, nine hundred eighty-one thousand, three hundred fifty-five".