2245486777 has 2 divisors, whose sum is σ = 2245486778. Its totient is φ = 2245486776.

The previous prime is 2245486753. The next prime is 2245486813. The reversal of 2245486777 is 7776845422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2051274681 + 194212096 = 45291^2 + 13936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245486777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245486717) 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, 1122743388 + 1122743389.

It is an arithmetic number, because the mean of its divisors is an integer number (1122743389).

Almost surely, 2^2245486777 is an apocalyptic number.

It is an amenable number.

2245486777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245486777 is an equidigital number, since it uses as much as digits as its factorization.

2245486777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5268480, while the sum is 52.

The square root of 2245486777 is about 47386.5674743381. The cubic root of 2245486777 is about 1309.4939632037.

The spelling of 2245486777 in words is "two billion, two hundred forty-five million, four hundred eighty-six thousand, seven hundred seventy-seven".