2887421653 has 2 divisors, whose sum is σ = 2887421654. Its totient is φ = 2887421652.

The previous prime is 2887421629. The next prime is 2887421671. The reversal of 2887421653 is 3561247882.

2887421653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2710451844 + 176969809 = 52062^2 + 13303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2887421653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2887421683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443710826 + 1443710827.

It is an arithmetic number, because the mean of its divisors is an integer number (1443710827).

Almost surely, 2^2887421653 is an apocalyptic number.

It is an amenable number.

2887421653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887421653 is an equidigital number, since it uses as much as digits as its factorization.

2887421653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 2887421653 is about 53734.7341391022. The cubic root of 2887421653 is about 1423.9784044207.

The spelling of 2887421653 in words is "two billion, eight hundred eighty-seven million, four hundred twenty-one thousand, six hundred fifty-three".