486047456662681 has 2 divisors, whose sum is σ = 486047456662682. Its totient is φ = 486047456662680.

The previous prime is 486047456662591. The next prime is 486047456662723. The reversal of 486047456662681 is 186266654740684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484191638966025 + 1855817696656 = 22004355^2 + 1362284^2 .

It is a cyclic number.

It is not a de Polignac number, because 486047456662681 - 2¹⁹ = 486047456138393 is a prime.

It is a super-2 number, since 2×486047456662681² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486047456662981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243023728331340 + 243023728331341.

It is an arithmetic number, because the mean of its divisors is an integer number (243023728331341).

Almost surely, 2^{486047456662681} is an apocalyptic number.

It is an amenable number.

486047456662681 is a deficient number, since it is larger than the sum of its proper divisors (1).

486047456662681 is an equidigital number, since it uses as much as digits as its factorization.

486047456662681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2229534720, while the sum is 73.

The spelling of 486047456662681 in words is "four hundred eighty-six trillion, forty-seven billion, four hundred fifty-six million, six hundred sixty-two thousand, six hundred eighty-one".