6465984393 has 8 divisors (see below), whose sum is σ = 9405068256. Its totient is φ = 3918778400.

The previous prime is 6465984383. The next prime is 6465984403. The reversal of 6465984393 is 3934895646.

It is an interprime number because it is at equal distance from previous prime (6465984383) and next prime (6465984403).

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 6465984393 - 2⁴ = 6465984377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6465984353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97969428 + ... + 97969493.

It is an arithmetic number, because the mean of its divisors is an integer number (1175633532).

Almost surely, 2^6465984393 is an apocalyptic number.

It is an amenable number.

6465984393 is a deficient number, since it is larger than the sum of its proper divisors (2939083863).

6465984393 is a wasteful number, since it uses less digits than its factorization.

6465984393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195938935.

The product of its digits is 16796160, while the sum is 57.

The square root of 6465984393 is about 80411.3449271930. The cubic root of 6465984393 is about 1862.9944052576.

The spelling of 6465984393 in words is "six billion, four hundred sixty-five million, nine hundred eighty-four thousand, three hundred ninety-three".