489755701481 has 2 divisors, whose sum is σ = 489755701482. Its totient is φ = 489755701480.

The previous prime is 489755701433. The next prime is 489755701493. The reversal of 489755701481 is 184107557984.

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., 423942929881 + 65812771600 = 651109^2 + 256540^2 .

It is a cyclic number.

It is not a de Polignac number, because 489755701481 - 2¹⁰ = 489755700457 is a prime.

It is a super-2 number, since 2×489755701481² (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 489755701481.

It is not a weakly prime, because it can be changed into another prime (489755701681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244877850740 + 244877850741.

It is an arithmetic number, because the mean of its divisors is an integer number (244877850741).

Almost surely, 2^489755701481 is an apocalyptic number.

It is an amenable number.

489755701481 is a deficient number, since it is larger than the sum of its proper divisors (1).

489755701481 is an equidigital number, since it uses as much as digits as its factorization.

489755701481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 489755701481 in words is "four hundred eighty-nine billion, seven hundred fifty-five million, seven hundred one thousand, four hundred eighty-one".