7485844417 has 2 divisors, whose sum is σ = 7485844418. Its totient is φ = 7485844416.

The previous prime is 7485844397. The next prime is 7485844427. The reversal of 7485844417 is 7144485847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6388645041 + 1097199376 = 79929^2 + 33124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7485844417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7485844427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3742922208 + 3742922209.

It is an arithmetic number, because the mean of its divisors is an integer number (3742922209).

Almost surely, 2^7485844417 is an apocalyptic number.

It is an amenable number.

7485844417 is a deficient number, since it is larger than the sum of its proper divisors (1).

7485844417 is an equidigital number, since it uses as much as digits as its factorization.

7485844417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4014080, while the sum is 52.

The square root of 7485844417 is about 86520.7744822017. The cubic root of 7485844417 is about 1956.2015509074.

The spelling of 7485844417 in words is "seven billion, four hundred eighty-five million, eight hundred forty-four thousand, four hundred seventeen".