6557357351 has 4 divisors (see below), whose sum is σ = 6943084272. Its totient is φ = 6171630432.

The previous prime is 6557357341. The next prime is 6557357357. The reversal of 6557357351 is 1537537556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6557357351 - 2²⁶ = 6490248487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6557357296 and 6557357305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557357357) 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, 192863435 + ... + 192863468.

It is an arithmetic number, because the mean of its divisors is an integer number (1735771068).

Almost surely, 2^6557357351 is an apocalyptic number.

6557357351 is a deficient number, since it is larger than the sum of its proper divisors (385726921).

6557357351 is a wasteful number, since it uses less digits than its factorization.

6557357351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385726920.

The product of its digits is 1653750, while the sum is 47.

The square root of 6557357351 is about 80977.5113905089. The cubic root of 6557357351 is about 1871.7289195791.

The spelling of 6557357351 in words is "six billion, five hundred fifty-seven million, three hundred fifty-seven thousand, three hundred fifty-one".