481375509553 has 2 divisors, whose sum is σ = 481375509554. Its totient is φ = 481375509552.

The previous prime is 481375509487. The next prime is 481375509581. The reversal of 481375509553 is 355905573184.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359300739889 + 122074769664 = 599417^2 + 349392^2 .

It is a cyclic number.

It is not a de Polignac number, because 481375509553 - 2¹³ = 481375501361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481375509494 and 481375509503.

It is not a weakly prime, because it can be changed into another prime (481375509653) 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 as a sum of consecutive naturals, namely, 240687754776 + 240687754777.

It is an arithmetic number, because the mean of its divisors is an integer number (240687754777).

Almost surely, 2^481375509553 is an apocalyptic number.

It is an amenable number.

481375509553 is a deficient number, since it is larger than the sum of its proper divisors (1).

481375509553 is an equidigital number, since it uses as much as digits as its factorization.

481375509553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 481375509553 in words is "four hundred eighty-one billion, three hundred seventy-five million, five hundred nine thousand, five hundred fifty-three".