6650126201 has 2 divisors, whose sum is σ = 6650126202. Its totient is φ = 6650126200.

The previous prime is 6650126167. The next prime is 6650126279. The reversal of 6650126201 is 1026210566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3979717225 + 2670408976 = 63085^2 + 51676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6650126201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6650126801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325063100 + 3325063101.

It is an arithmetic number, because the mean of its divisors is an integer number (3325063101).

Almost surely, 2^6650126201 is an apocalyptic number.

It is an amenable number.

6650126201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650126201 is an equidigital number, since it uses as much as digits as its factorization.

6650126201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6650126201 is about 81548.3059358072. The cubic root of 6650126201 is about 1880.5142512959.

Adding to 6650126201 its reverse (1026210566), we get a palindrome (7676336767).

The spelling of 6650126201 in words is "six billion, six hundred fifty million, one hundred twenty-six thousand, two hundred one".