6356542655 has 4 divisors (see below), whose sum is σ = 7627851192. Its totient is φ = 5085234120.

The previous prime is 6356542627. The next prime is 6356542669. The reversal of 6356542655 is 5562456536.

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

It is not a de Polignac number, because 6356542655 - 2¹⁴ = 6356526271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635654261 + ... + 635654270.

It is an arithmetic number, because the mean of its divisors is an integer number (1906962798).

Almost surely, 2^6356542655 is an apocalyptic number.

6356542655 is a deficient number, since it is larger than the sum of its proper divisors (1271308537).

6356542655 is a wasteful number, since it uses less digits than its factorization.

6356542655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271308536.

The product of its digits is 3240000, while the sum is 47.

The square root of 6356542655 is about 79727.9289521558. The cubic root of 6356542655 is about 1852.4236707149.

The spelling of 6356542655 in words is "six billion, three hundred fifty-six million, five hundred forty-two thousand, six hundred fifty-five".