2662878653 has 2 divisors, whose sum is σ = 2662878654. Its totient is φ = 2662878652.

The previous prime is 2662878637. The next prime is 2662878667. The reversal of 2662878653 is 3568782662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1636445209 + 1026433444 = 40453^2 + 32038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662878653 - 2⁴ = 2662878637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2662878595 and 2662878604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662878853) 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 as a sum of consecutive naturals, namely, 1331439326 + 1331439327.

It is an arithmetic number, because the mean of its divisors is an integer number (1331439327).

Almost surely, 2^2662878653 is an apocalyptic number.

It is an amenable number.

2662878653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662878653 is an equidigital number, since it uses as much as digits as its factorization.

2662878653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The square root of 2662878653 is about 51603.0876304897. The cubic root of 2662878653 is about 1386.0656220513.

The spelling of 2662878653 in words is "two billion, six hundred sixty-two million, eight hundred seventy-eight thousand, six hundred fifty-three".