2631053309 has 2 divisors, whose sum is σ = 2631053310. Its totient is φ = 2631053308.

The previous prime is 2631053287. The next prime is 2631053311. The reversal of 2631053309 is 9033501362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280540025 + 350513284 = 47755^2 + 18722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631053309 - 2²⁸ = 2362617853 is a prime.

Together with 2631053311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631053389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315526654 + 1315526655.

It is an arithmetic number, because the mean of its divisors is an integer number (1315526655).

Almost surely, 2^2631053309 is an apocalyptic number.

It is an amenable number.

2631053309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631053309 is an equidigital number, since it uses as much as digits as its factorization.

2631053309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 2631053309 is about 51293.7940593207. The cubic root of 2631053309 is about 1380.5216310244.

It can be divided in two parts, 2631053 and 309, that added together give a palindrome (2631362).

The spelling of 2631053309 in words is "two billion, six hundred thirty-one million, fifty-three thousand, three hundred nine".