2851764648 has 64 divisors (see below), whose sum is σ = 7613222400. Its totient is φ = 888195840.

The previous prime is 2851764647. The next prime is 2851764649. The reversal of 2851764648 is 8464671582.

It is an interprime number because it is at equal distance from previous prime (2851764647) and next prime (2851764649).

It is a self number, because there is not a number n which added to its sum of digits gives 2851764648.

It is not an unprimeable number, because it can be changed into a prime (2851764647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44511 + ... + 87662.

It is an arithmetic number, because the mean of its divisors is an integer number (118956600).

Almost surely, 2^2851764648 is an apocalyptic number.

It is an amenable number.

2851764648 is an abundant number, since it is smaller than the sum of its proper divisors (4761457752).

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

2851764648 is a wasteful number, since it uses less digits than its factorization.

2851764648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132242 (or 132238 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 2851764648 is about 53401.9161453969. The cubic root of 2851764648 is about 1418.0925006118.

The spelling of 2851764648 in words is "two billion, eight hundred fifty-one million, seven hundred sixty-four thousand, six hundred forty-eight".