2645776353 has 64 divisors (see below), whose sum is σ = 4233139200. Its totient is φ = 1452245760.

The previous prime is 2645776337. The next prime is 2645776379. The reversal of 2645776353 is 3536775462.

It is not a de Polignac number, because 2645776353 - 2⁴ = 2645776337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2645776153) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1367775 + ... + 1369707.

It is an arithmetic number, because the mean of its divisors is an integer number (66142800).

Almost surely, 2^2645776353 is an apocalyptic number.

It is an amenable number.

2645776353 is a deficient number, since it is larger than the sum of its proper divisors (1587362847).

2645776353 is a wasteful number, since it uses less digits than its factorization.

2645776353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its digits is 3175200, while the sum is 48.

The square root of 2645776353 is about 51437.1106595229. The cubic root of 2645776353 is about 1383.0919178784.

The spelling of 2645776353 in words is "two billion, six hundred forty-five million, seven hundred seventy-six thousand, three hundred fifty-three".