495628255481 has 2 divisors, whose sum is σ = 495628255482. Its totient is φ = 495628255480.

The previous prime is 495628255453. The next prime is 495628255537. The reversal of 495628255481 is 184552826594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383061966400 + 112566289081 = 618920^2 + 335509^2 .

It is a cyclic number.

It is not a de Polignac number, because 495628255481 - 2⁶ = 495628255417 is a prime.

It is a super-2 number, since 2×495628255481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 495628255481.

It is not a weakly prime, because it can be changed into another prime (495618255481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247814127740 + 247814127741.

It is an arithmetic number, because the mean of its divisors is an integer number (247814127741).

Almost surely, 2^495628255481 is an apocalyptic number.

It is an amenable number.

495628255481 is a deficient number, since it is larger than the sum of its proper divisors (1).

495628255481 is an equidigital number, since it uses as much as digits as its factorization.

495628255481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648000, while the sum is 59.

The spelling of 495628255481 in words is "four hundred ninety-five billion, six hundred twenty-eight million, two hundred fifty-five thousand, four hundred eighty-one".