477956505613 has 2 divisors, whose sum is σ = 477956505614. Its totient is φ = 477956505612.

The previous prime is 477956505581. The next prime is 477956505629. The reversal of 477956505613 is 316505659774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362136761284 + 115819744329 = 601778^2 + 340323^2 .

It is a cyclic number.

It is not a de Polignac number, because 477956505613 - 2⁵ = 477956505581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477956505683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238978252806 + 238978252807.

It is an arithmetic number, because the mean of its divisors is an integer number (238978252807).

Almost surely, 2^477956505613 is an apocalyptic number.

It is an amenable number.

477956505613 is a deficient number, since it is larger than the sum of its proper divisors (1).

477956505613 is an equidigital number, since it uses as much as digits as its factorization.

477956505613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814000, while the sum is 58.

The spelling of 477956505613 in words is "four hundred seventy-seven billion, nine hundred fifty-six million, five hundred five thousand, six hundred thirteen".