2635564249 has 2 divisors, whose sum is σ = 2635564250. Its totient is φ = 2635564248.

The previous prime is 2635564223. The next prime is 2635564277. The reversal of 2635564249 is 9424655362.

2635564249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2073163024 + 562401225 = 45532^2 + 23715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2635564249 - 2⁷ = 2635564121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2635564199 and 2635564208.

It is not a weakly prime, because it can be changed into another prime (2635564219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317782124 + 1317782125.

It is an arithmetic number, because the mean of its divisors is an integer number (1317782125).

Almost surely, 2^2635564249 is an apocalyptic number.

It is an amenable number.

2635564249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2635564249 is an equidigital number, since it uses as much as digits as its factorization.

2635564249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 46.

The square root of 2635564249 is about 51337.7468243397. The cubic root of 2635564249 is about 1381.3101485133.

The spelling of 2635564249 in words is "two billion, six hundred thirty-five million, five hundred sixty-four thousand, two hundred forty-nine".