2662655623 has 2 divisors, whose sum is σ = 2662655624. Its totient is φ = 2662655622.

The previous prime is 2662655563. The next prime is 2662655657. The reversal of 2662655623 is 3265562662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2662655623 - 2⁹ = 2662655111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2662655623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662665623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331327811 + 1331327812.

It is an arithmetic number, because the mean of its divisors is an integer number (1331327812).

Almost surely, 2^2662655623 is an apocalyptic number.

2662655623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662655623 is an equidigital number, since it uses as much as digits as its factorization.

2662655623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 43.

The square root of 2662655623 is about 51600.9265711382. The cubic root of 2662655623 is about 1386.0269242250.

The spelling of 2662655623 in words is "two billion, six hundred sixty-two million, six hundred fifty-five thousand, six hundred twenty-three".