6853461553 has 4 divisors (see below), whose sum is σ = 6875785840. Its totient is φ = 6831137268.

The previous prime is 6853461551. The next prime is 6853461607. The reversal of 6853461553 is 3551643586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6853461553 - 2¹ = 6853461551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6853461551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11161683 + ... + 11162296.

It is an arithmetic number, because the mean of its divisors is an integer number (1718946460).

Almost surely, 2^6853461553 is an apocalyptic number.

It is an amenable number.

6853461553 is a deficient number, since it is larger than the sum of its proper divisors (22324287).

6853461553 is a wasteful number, since it uses less digits than its factorization.

6853461553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324286.

The product of its digits is 1296000, while the sum is 46.

The square root of 6853461553 is about 82785.6361514484. The cubic root of 6853461553 is about 1899.4884636767.

The spelling of 6853461553 in words is "six billion, eight hundred fifty-three million, four hundred sixty-one thousand, five hundred fifty-three".