481166747137 has 2 divisors, whose sum is σ = 481166747138. Its totient is φ = 481166747136.

The previous prime is 481166747129. The next prime is 481166747153. The reversal of 481166747137 is 731747661184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441372880881 + 39793866256 = 664359^2 + 199484^2 .

It is a cyclic number.

It is not a de Polignac number, because 481166747137 - 2³ = 481166747129 is a prime.

It is not a weakly prime, because it can be changed into another prime (481866747137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240583373568 + 240583373569.

It is an arithmetic number, because the mean of its divisors is an integer number (240583373569).

Almost surely, 2^481166747137 is an apocalyptic number.

It is an amenable number.

481166747137 is a deficient number, since it is larger than the sum of its proper divisors (1).

481166747137 is an equidigital number, since it uses as much as digits as its factorization.

481166747137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 55.

The spelling of 481166747137 in words is "four hundred eighty-one billion, one hundred sixty-six million, seven hundred forty-seven thousand, one hundred thirty-seven".