2647041385 has 16 divisors (see below), whose sum is σ = 3282748560. Its totient is φ = 2047682560.

The previous prime is 2647041359. The next prime is 2647041391. The reversal of 2647041385 is 5831407462.

It can be written as a sum of positive squares in 8 ways, for example, as 232989696 + 2414051689 = 15264^2 + 49133^2 .

It is not a de Polignac number, because 2647041385 - 2⁹ = 2647040873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33970 + ... + 80299.

It is an arithmetic number, because the mean of its divisors is an integer number (205171785).

Almost surely, 2^2647041385 is an apocalyptic number.

It is an amenable number.

2647041385 is a deficient number, since it is larger than the sum of its proper divisors (635707175).

2647041385 is a wasteful number, since it uses less digits than its factorization.

2647041385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114428.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2647041385 is about 51449.4060704300. The cubic root of 2647041385 is about 1383.3123165466.

The spelling of 2647041385 in words is "two billion, six hundred forty-seven million, forty-one thousand, three hundred eighty-five".