675553771209 has 24 divisors (see below), whose sum is σ = 923781130272. Its totient is φ = 438873934080.

The previous prime is 675553771163. The next prime is 675553771237. The reversal of 675553771209 is 902177355576.

675553771209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675553771209 - 2¹⁵ = 675553738441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675553771259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131249374 + ... + 131254520.

It is an arithmetic number, because the mean of its divisors is an integer number (38490880428).

Almost surely, 2^675553771209 is an apocalyptic number.

It is an amenable number.

675553771209 is a deficient number, since it is larger than the sum of its proper divisors (248227359063).

675553771209 is an equidigital number, since it uses as much as digits as its factorization.

675553771209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257 (or 6224 counting only the distinct ones).

The product of its (nonzero) digits is 13891500, while the sum is 57.

The spelling of 675553771209 in words is "six hundred seventy-five billion, five hundred fifty-three million, seven hundred seventy-one thousand, two hundred nine".