486307681 has 2 divisors, whose sum is σ = 486307682. Its totient is φ = 486307680.

The previous prime is 486307669. The next prime is 486307721. The reversal of 486307681 is 186703684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332150625 + 154157056 = 18225^2 + 12416^2 .

It is a cyclic number.

It is not a de Polignac number, because 486307681 - 2⁵ = 486307649 is a prime.

It is a super-2 number, since 2×486307681² = 472990321199195522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486307631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243153840 + 243153841.

It is an arithmetic number, because the mean of its divisors is an integer number (243153841).

Almost surely, 2^486307681 is an apocalyptic number.

It is an amenable number.

486307681 is a deficient number, since it is larger than the sum of its proper divisors (1).

486307681 is an equidigital number, since it uses as much as digits as its factorization.

486307681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 486307681 is about 22052.3849277125. The cubic root of 486307681 is about 786.3882993797.

The spelling of 486307681 in words is "four hundred eighty-six million, three hundred seven thousand, six hundred eighty-one".