6523870385 has 16 divisors (see below), whose sum is σ = 7888320000. Its totient is φ = 5179377216.

The previous prime is 6523870373. The next prime is 6523870399. The reversal of 6523870385 is 5830783256.

It is a cyclic number.

It is not a de Polignac number, because 6523870385 - 2¹⁰ = 6523869361 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985316 + ... + 991914.

It is an arithmetic number, because the mean of its divisors is an integer number (493020000).

Almost surely, 2^6523870385 is an apocalyptic number.

It is an amenable number.

6523870385 is a deficient number, since it is larger than the sum of its proper divisors (1364449615).

6523870385 is a wasteful number, since it uses less digits than its factorization.

6523870385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 6523870385 is about 80770.4796630551. The cubic root of 6523870385 is about 1868.5373126475.

The spelling of 6523870385 in words is "six billion, five hundred twenty-three million, eight hundred seventy thousand, three hundred eighty-five".