481517886541 has 2 divisors, whose sum is σ = 481517886542. Its totient is φ = 481517886540.

The previous prime is 481517886539. The next prime is 481517886557. The reversal of 481517886541 is 145688715184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400651020900 + 80866865641 = 632970^2 + 284371^2 .

It is a cyclic number.

It is not a de Polignac number, because 481517886541 - 2¹ = 481517886539 is a prime.

It is a super-2 number, since 2×481517886541² (a number of 24 digits) contains 22 as substring.

Together with 481517886539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481517886041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240758943270 + 240758943271.

It is an arithmetic number, because the mean of its divisors is an integer number (240758943271).

Almost surely, 2^481517886541 is an apocalyptic number.

It is an amenable number.

481517886541 is a deficient number, since it is larger than the sum of its proper divisors (1).

481517886541 is an equidigital number, since it uses as much as digits as its factorization.

481517886541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8601600, while the sum is 58.

The spelling of 481517886541 in words is "four hundred eighty-one billion, five hundred seventeen million, eight hundred eighty-six thousand, five hundred forty-one".