8365853493 has 48 divisors (see below), whose sum is σ = 13060232640. Its totient is φ = 5140956672.

The previous prime is 8365853491. The next prime is 8365853521. The reversal of 8365853493 is 3943585638.

It is a happy number.

It is not a de Polignac number, because 8365853493 - 2¹ = 8365853491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8365853491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2643330 + ... + 2646492.

It is an arithmetic number, because the mean of its divisors is an integer number (272088180).

Almost surely, 2^8365853493 is an apocalyptic number.

It is an amenable number.

8365853493 is a deficient number, since it is larger than the sum of its proper divisors (4694379147).

8365853493 is a wasteful number, since it uses less digits than its factorization.

8365853493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3535 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 8365853493 is about 91465.0397310360. The cubic root of 8365853493 is about 2030.0344977838.

The spelling of 8365853493 in words is "eight billion, three hundred sixty-five million, eight hundred fifty-three thousand, four hundred ninety-three".