2629587889 has 2 divisors, whose sum is σ = 2629587890. Its totient is φ = 2629587888.

The previous prime is 2629587881. The next prime is 2629587893. The reversal of 2629587889 is 9887859262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015291664 + 614296225 = 44892^2 + 24785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2629587889 - 2³ = 2629587881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2629587889.

It is not a weakly prime, because it can be changed into another prime (2629587881) 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, 1314793944 + 1314793945.

It is an arithmetic number, because the mean of its divisors is an integer number (1314793945).

Almost surely, 2^2629587889 is an apocalyptic number.

It is an amenable number.

2629587889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2629587889 is an equidigital number, since it uses as much as digits as its factorization.

2629587889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 64.

The square root of 2629587889 is about 51279.5074956849. The cubic root of 2629587889 is about 1380.2652799893.

The spelling of 2629587889 in words is "two billion, six hundred twenty-nine million, five hundred eighty-seven thousand, eight hundred eighty-nine".