7648522237 has 2 divisors, whose sum is σ = 7648522238. Its totient is φ = 7648522236.

The previous prime is 7648522201. The next prime is 7648522253. The reversal of 7648522237 is 7322258467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4315307481 + 3333214756 = 65691^2 + 57734^2 .

It is a cyclic number.

It is not a de Polignac number, because 7648522237 - 2¹⁹ = 7647997949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7648522267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3824261118 + 3824261119.

It is an arithmetic number, because the mean of its divisors is an integer number (3824261119).

Almost surely, 2^7648522237 is an apocalyptic number.

It is an amenable number.

7648522237 is a deficient number, since it is larger than the sum of its proper divisors (1).

7648522237 is an equidigital number, since it uses as much as digits as its factorization.

7648522237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 46.

The square root of 7648522237 is about 87455.8302058816. The cubic root of 7648522237 is about 1970.2704531332.

The spelling of 7648522237 in words is "seven billion, six hundred forty-eight million, five hundred twenty-two thousand, two hundred thirty-seven".