2628866453 has 2 divisors, whose sum is σ = 2628866454. Its totient is φ = 2628866452.

The previous prime is 2628866407. The next prime is 2628866477. The reversal of 2628866453 is 3546688262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2613049924 + 15816529 = 51118^2 + 3977^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628866453 - 2⁶ = 2628866389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628866483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314433226 + 1314433227.

It is an arithmetic number, because the mean of its divisors is an integer number (1314433227).

Almost surely, 2^2628866453 is an apocalyptic number.

It is an amenable number.

2628866453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628866453 is an equidigital number, since it uses as much as digits as its factorization.

2628866453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 50.

The square root of 2628866453 is about 51272.4726632137. The cubic root of 2628866453 is about 1380.1390416860.

The spelling of 2628866453 in words is "two billion, six hundred twenty-eight million, eight hundred sixty-six thousand, four hundred fifty-three".