8195819452 has 6 divisors (see below), whose sum is σ = 14342684048. Its totient is φ = 4097909724.

The previous prime is 8195819447. The next prime is 8195819473. The reversal of 8195819452 is 2549185918.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8195819452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024477428 + ... + 1024477435.

Almost surely, 2^8195819452 is an apocalyptic number.

It is an amenable number.

8195819452 is a deficient number, since it is larger than the sum of its proper divisors (6146864596).

8195819452 is a wasteful number, since it uses less digits than its factorization.

8195819452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048954867 (or 2048954865 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 52.

The square root of 8195819452 is about 90530.7652237625. The cubic root of 8195819452 is about 2016.1869259440.

The spelling of 8195819452 in words is "eight billion, one hundred ninety-five million, eight hundred nineteen thousand, four hundred fifty-two".