2628823531 has 2 divisors, whose sum is σ = 2628823532. Its totient is φ = 2628823530.

The previous prime is 2628823429. The next prime is 2628823553. The reversal of 2628823531 is 1353288262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2628823531 - 2²⁹ = 2091952619 is a prime.

It is a super-2 number, since 2×2628823531² = 13821426314278615922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2628823031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314411765 + 1314411766.

It is an arithmetic number, because the mean of its divisors is an integer number (1314411766).

Almost surely, 2^2628823531 is an apocalyptic number.

2628823531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628823531 is an equidigital number, since it uses as much as digits as its factorization.

2628823531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 2628823531 is about 51272.0540938239. The cubic root of 2628823531 is about 1380.1315303813.

The spelling of 2628823531 in words is "two billion, six hundred twenty-eight million, eight hundred twenty-three thousand, five hundred thirty-one".