481656780784423 has 4 divisors (see below), whose sum is σ = 483225695380120. Its totient is φ = 480087866188728.

The previous prime is 481656780784261. The next prime is 481656780784427. The reversal of 481656780784423 is 324487087656184.

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 481656780784423 - 2¹⁷ = 481656780653351 is a prime.

It is a super-2 number, since 2×481656780784423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481656780784427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784457297388 + ... + 784457298001.

It is an arithmetic number, because the mean of its divisors is an integer number (120806423845030).

Almost surely, 2^{481656780784423} is an apocalyptic number.

481656780784423 is a deficient number, since it is larger than the sum of its proper divisors (1568914595697).

481656780784423 is a wasteful number, since it uses less digits than its factorization.

481656780784423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568914595696.

The product of its (nonzero) digits is 1734082560, while the sum is 73.

The spelling of 481656780784423 in words is "four hundred eighty-one trillion, six hundred fifty-six billion, seven hundred eighty million, seven hundred eighty-four thousand, four hundred twenty-three".