481774497553 has 4 divisors (see below), whose sum is σ = 481794317860. Its totient is φ = 481754677248.

The previous prime is 481774497551. The next prime is 481774497599. The reversal of 481774497553 is 355794477184.

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

It can be written as a sum of positive squares in 2 ways, for example, as 479352676609 + 2421820944 = 692353^2 + 49212^2 .

It is a cyclic number.

It is not a de Polignac number, because 481774497553 - 2¹ = 481774497551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481774497551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873648 + ... + 9922321.

It is an arithmetic number, because the mean of its divisors is an integer number (120448579465).

Almost surely, 2^481774497553 is an apocalyptic number.

It is an amenable number.

481774497553 is a deficient number, since it is larger than the sum of its proper divisors (19820307).

481774497553 is a wasteful number, since it uses less digits than its factorization.

481774497553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820306.

The product of its digits is 118540800, while the sum is 64.

The spelling of 481774497553 in words is "four hundred eighty-one billion, seven hundred seventy-four million, four hundred ninety-seven thousand, five hundred fifty-three".