486145012081 has 9 divisors (see below), whose sum is σ = 488223944481. Its totient is φ = 484074903552.

The previous prime is 486145012009. The next prime is 486145012099. The reversal of 486145012081 is 180210541684.

The square root of 486145012081 is 697241.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 458655372081 + 27489640000 = 677241^2 + 165800^2 .

It is not a de Polignac number, because 486145012081 - 2¹¹ = 486145010033 is a prime.

It is a super-2 number, since 2×486145012081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486145012181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 179189581 + ... + 179192293.

Almost surely, 2^486145012081 is an apocalyptic number.

486145012081 is the 697241-st square number.

486145012081 is the 348621-st centered octagonal number.

It is an amenable number.

486145012081 is a deficient number, since it is larger than the sum of its proper divisors (2078932400).

486145012081 is an frugal number, since it uses more digits than its factorization.

486145012081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 486145012081 in words is "four hundred eighty-six billion, one hundred forty-five million, twelve thousand, eighty-one".