486761953381 has 12 divisors (see below), whose sum is σ = 540333264492. Its totient is φ = 438129560000.

The previous prime is 486761953373. The next prime is 486761953387. The reversal of 486761953381 is 183359167684.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 360641085156 + 126120868225 = 600534^2 + 355135^2 .

It is not a de Polignac number, because 486761953381 - 2³ = 486761953373 is a prime.

It is a super-2 number, since 2×486761953381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486761953387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19902760 + ... + 19927201.

It is an arithmetic number, because the mean of its divisors is an integer number (45027772041).

Almost surely, 2^486761953381 is an apocalyptic number.

It is an amenable number.

486761953381 is a deficient number, since it is larger than the sum of its proper divisors (53571311111).

486761953381 is a wasteful number, since it uses less digits than its factorization.

486761953381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39830084 (or 39830073 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 486761953381 in words is "four hundred eighty-six billion, seven hundred sixty-one million, nine hundred fifty-three thousand, three hundred eighty-one".