4685135391 has 16 divisors (see below), whose sum is σ = 7102360320. Its totient is φ = 3050785080.

The previous prime is 4685135347. The next prime is 4685135407. The reversal of 4685135391 is 1935315864.

4685135391 is a `hidden beast` number, since 4 + 68 + 51 + 3 + 539 + 1 = 666.

It is not a de Polignac number, because 4685135391 - 2¹⁰ = 4685134367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4685139391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016555 + ... + 2018876.

It is an arithmetic number, because the mean of its divisors is an integer number (443897520).

Almost surely, 2^4685135391 is an apocalyptic number.

4685135391 is a deficient number, since it is larger than the sum of its proper divisors (2417224929).

4685135391 is a wasteful number, since it uses less digits than its factorization.

4685135391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035483 (or 4035477 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 4685135391 is about 68448.0488472827. The cubic root of 4685135391 is about 1673.3009150408.

The spelling of 4685135391 in words is "four billion, six hundred eighty-five million, one hundred thirty-five thousand, three hundred ninety-one".