8465521393 has 8 divisors (see below), whose sum is σ = 9681759360. Its totient is φ = 7251002880.

The previous prime is 8465521357. The next prime is 8465521397. The reversal of 8465521393 is 3931255648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8465521393 - 2⁹ = 8465520881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8465521397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419293 + ... + 439018.

It is an arithmetic number, because the mean of its divisors is an integer number (1210219920).

Almost surely, 2^8465521393 is an apocalyptic number.

It is an amenable number.

8465521393 is a deficient number, since it is larger than the sum of its proper divisors (1216237967).

8465521393 is a wasteful number, since it uses less digits than its factorization.

8465521393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859727.

The product of its digits is 777600, while the sum is 46.

The square root of 8465521393 is about 92008.2680686904. The cubic root of 8465521393 is about 2038.0644040335.

The spelling of 8465521393 in words is "eight billion, four hundred sixty-five million, five hundred twenty-one thousand, three hundred ninety-three".