2885511649 has 2 divisors, whose sum is σ = 2885511650. Its totient is φ = 2885511648.

The previous prime is 2885511641. The next prime is 2885511691. The reversal of 2885511649 is 9461155882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121984225 + 763527424 = 46065^2 + 27632^2 .

It is a cyclic number.

It is not a de Polignac number, because 2885511649 - 2³ = 2885511641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2885511641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442755824 + 1442755825.

It is an arithmetic number, because the mean of its divisors is an integer number (1442755825).

Almost surely, 2^2885511649 is an apocalyptic number.

It is an amenable number.

2885511649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2885511649 is an equidigital number, since it uses as much as digits as its factorization.

2885511649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 49.

The square root of 2885511649 is about 53716.9586722852. The cubic root of 2885511649 is about 1423.6643521040.

It can be divided in two parts, 28855 and 11649, that added together give a palindrome (40504).

The spelling of 2885511649 in words is "two billion, eight hundred eighty-five million, five hundred eleven thousand, six hundred forty-nine".