6523396985 has 8 divisors (see below), whose sum is σ = 8946373056. Its totient is φ = 4473186480.

The previous prime is 6523396949. The next prime is 6523396987. The reversal of 6523396985 is 5896933256.

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

It is not a de Polignac number, because 6523396985 - 2¹⁰ = 6523395961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6523396985.

It is not an unprimeable number, because it can be changed into a prime (6523396987) 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, 93191351 + ... + 93191420.

It is an arithmetic number, because the mean of its divisors is an integer number (1118296632).

Almost surely, 2^6523396985 is an apocalyptic number.

It is an amenable number.

6523396985 is a deficient number, since it is larger than the sum of its proper divisors (2422976071).

6523396985 is a wasteful number, since it uses less digits than its factorization.

6523396985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186382783.

The product of its digits is 10497600, while the sum is 56.

The square root of 6523396985 is about 80767.5490837750. The cubic root of 6523396985 is about 1868.4921151952.

The spelling of 6523396985 in words is "six billion, five hundred twenty-three million, three hundred ninety-six thousand, nine hundred eighty-five".