6915871053 has 24 divisors (see below), whose sum is σ = 12294883328. Its totient is φ = 3647931552.

The previous prime is 6915871013. The next prime is 6915871069. The reversal of 6915871053 is 3501785196.

It is a happy number.

6915871053 is a `hidden beast` number, since 6 + 9 + 1 + 587 + 10 + 53 = 666.

It is not a de Polignac number, because 6915871053 - 2⁹ = 6915870541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6915871013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4221325 + ... + 4222962.

Almost surely, 2^6915871053 is an apocalyptic number.

6915871053 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6915871053 is a deficient number, since it is larger than the sum of its proper divisors (5379012275).

6915871053 is a wasteful number, since it uses less digits than its factorization.

6915871053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444313 (or 8444310 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 6915871053 is about 83161.7162701685. The cubic root of 6915871053 is about 1905.2368044227.

The spelling of 6915871053 in words is "six billion, nine hundred fifteen million, eight hundred seventy-one thousand, fifty-three".