8209513244 has 12 divisors (see below), whose sum is σ = 14389937184. Its totient is φ = 4098102624.

The previous prime is 8209513199. The next prime is 8209513267. The reversal of 8209513244 is 4423159028.

It is a super-2 number, since 2×8209513244² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8209513198 and 8209513207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660724 + ... + 1665659.

It is an arithmetic number, because the mean of its divisors is an integer number (1199161432).

Almost surely, 2^8209513244 is an apocalyptic number.

It is an amenable number.

8209513244 is a deficient number, since it is larger than the sum of its proper divisors (6180423940).

8209513244 is a wasteful number, since it uses less digits than its factorization.

8209513244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327004 (or 3327002 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 8209513244 is about 90606.3642577054. The cubic root of 8209513244 is about 2017.3092006217.

The spelling of 8209513244 in words is "eight billion, two hundred nine million, five hundred thirteen thousand, two hundred forty-four".