486576991 has 2 divisors, whose sum is σ = 486576992. Its totient is φ = 486576990.

The previous prime is 486576989. The next prime is 486577027. The reversal of 486576991 is 199675684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486576991 - 2¹ = 486576989 is a prime.

It is a super-2 number, since 2×486576991² = 473514336341228162, which contains 22 as substring.

Together with 486576989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486576791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243288495 + 243288496.

It is an arithmetic number, because the mean of its divisors is an integer number (243288496).

Almost surely, 2^486576991 is an apocalyptic number.

486576991 is a deficient number, since it is larger than the sum of its proper divisors (1).

486576991 is an equidigital number, since it uses as much as digits as its factorization.

486576991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 486576991 is about 22058.4902248545. The cubic root of 486576991 is about 786.5334359940.

The spelling of 486576991 in words is "four hundred eighty-six million, five hundred seventy-six thousand, nine hundred ninety-one".