2208961049 has 2 divisors, whose sum is σ = 2208961050. Its totient is φ = 2208961048.

The previous prime is 2208961039. The next prime is 2208961063. The reversal of 2208961049 is 9401698022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1846249024 + 362712025 = 42968^2 + 19045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2208961049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2208960997 and 2208961015.

It is not a weakly prime, because it can be changed into another prime (2208961039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104480524 + 1104480525.

It is an arithmetic number, because the mean of its divisors is an integer number (1104480525).

Almost surely, 2^2208961049 is an apocalyptic number.

It is an amenable number.

2208961049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208961049 is an equidigital number, since it uses as much as digits as its factorization.

2208961049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2208961049 is about 46999.5856258329. The cubic root of 2208961049 is about 1302.3549128292.

It can be divided in two parts, 22089 and 61049, that added together give a palindrome (83138).

The spelling of 2208961049 in words is "two billion, two hundred eight million, nine hundred sixty-one thousand, forty-nine".