2783626049 has 2 divisors, whose sum is σ = 2783626050. Its totient is φ = 2783626048.

The previous prime is 2783626003. The next prime is 2783626123. The reversal of 2783626049 is 9406263872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1504276225 + 1279349824 = 38785^2 + 35768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2783626049 - 2¹⁶ = 2783560513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2783625994 and 2783626012.

It is not a weakly prime, because it can be changed into another prime (2783626949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391813024 + 1391813025.

It is an arithmetic number, because the mean of its divisors is an integer number (1391813025).

Almost surely, 2^2783626049 is an apocalyptic number.

It is an amenable number.

2783626049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2783626049 is an equidigital number, since it uses as much as digits as its factorization.

2783626049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2783626049 is about 52760.0800700681. The cubic root of 2783626049 is about 1406.7069419062.

The spelling of 2783626049 in words is "two billion, seven hundred eighty-three million, six hundred twenty-six thousand, forty-nine".