486556399447 has 2 divisors, whose sum is σ = 486556399448. Its totient is φ = 486556399446.

The previous prime is 486556399421. The next prime is 486556399453. The reversal of 486556399447 is 744993655684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 486556399447 - 2²⁷ = 486422181719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486556399477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243278199723 + 243278199724.

It is an arithmetic number, because the mean of its divisors is an integer number (243278199724).

Almost surely, 2^486556399447 is an apocalyptic number.

486556399447 is a deficient number, since it is larger than the sum of its proper divisors (1).

486556399447 is an equidigital number, since it uses as much as digits as its factorization.

486556399447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 783820800, while the sum is 70.

The spelling of 486556399447 in words is "four hundred eighty-six billion, five hundred fifty-six million, three hundred ninety-nine thousand, four hundred forty-seven".