6355805780643 has 16 divisors (see below), whose sum is σ = 9272738358912. Its totient is φ = 3840366024000.

The previous prime is 6355805780629. The next prime is 6355805780659. The reversal of 6355805780643 is 3460875085536.

It is not a de Polignac number, because 6355805780643 - 2⁶ = 6355805780579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6355805780683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290925898 + ... + 290947743.

It is an arithmetic number, because the mean of its divisors is an integer number (579546147432).

Almost surely, 2^{6355805780643} is an apocalyptic number.

6355805780643 is a deficient number, since it is larger than the sum of its proper divisors (2916932578269).

6355805780643 is a wasteful number, since it uses less digits than its factorization.

6355805780643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581873986.

The product of its (nonzero) digits is 72576000, while the sum is 60.

The spelling of 6355805780643 in words is "six trillion, three hundred fifty-five billion, eight hundred five million, seven hundred eighty thousand, six hundred forty-three".