4781776809601 has 4 divisors (see below), whose sum is σ = 5216483792304. Its totient is φ = 4347069826900.

The previous prime is 4781776809533. The next prime is 4781776809619. The reversal of 4781776809601 is 1069086771874.

It is a happy number.

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 4781776809601 - 2¹⁹ = 4781776285313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4781776809631) by changing a digit.

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, 217353491335 + ... + 217353491356.

It is an arithmetic number, because the mean of its divisors is an integer number (1304120948076).

Almost surely, 2^{4781776809601} is an apocalyptic number.

It is an amenable number.

4781776809601 is a deficient number, since it is larger than the sum of its proper divisors (434706982703).

4781776809601 is a wasteful number, since it uses less digits than its factorization.

4781776809601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434706982702.

The product of its (nonzero) digits is 28449792, while the sum is 64.

The spelling of 4781776809601 in words is "four trillion, seven hundred eighty-one billion, seven hundred seventy-six million, eight hundred nine thousand, six hundred one".