6355514561 has 4 divisors (see below), whose sum is σ = 6933288624. Its totient is φ = 5777740500.

The previous prime is 6355514489. The next prime is 6355514597. The reversal of 6355514561 is 1654155536.

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 a de Polignac number, because none of the positive numbers 2^k-6355514561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6355514461) 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, 288887015 + ... + 288887036.

It is an arithmetic number, because the mean of its divisors is an integer number (1733322156).

Almost surely, 2^6355514561 is an apocalyptic number.

It is an amenable number.

6355514561 is a deficient number, since it is larger than the sum of its proper divisors (577774063).

6355514561 is a wasteful number, since it uses less digits than its factorization.

6355514561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577774062.

The product of its digits is 270000, while the sum is 41.

The square root of 6355514561 is about 79721.4811766565. The cubic root of 6355514561 is about 1852.3237962785.

The spelling of 6355514561 in words is "six billion, three hundred fifty-five million, five hundred fourteen thousand, five hundred sixty-one".