477644323222441 has 2 divisors, whose sum is σ = 477644323222442. Its totient is φ = 477644323222440.

The previous prime is 477644323222387. The next prime is 477644323222457. The reversal of 477644323222441 is 144222323446774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395833745416041 + 81810577806400 = 19895571^2 + 9044920^2 .

It is a cyclic number.

It is not a de Polignac number, because 477644323222441 - 2³⁹ = 477094567408553 is a prime.

It is a super-3 number, since 3×477644323222441³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (477644323222481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238822161611220 + 238822161611221.

It is an arithmetic number, because the mean of its divisors is an integer number (238822161611221).

Almost surely, 2^{477644323222441} is an apocalyptic number.

It is an amenable number.

477644323222441 is a deficient number, since it is larger than the sum of its proper divisors (1).

477644323222441 is an equidigital number, since it uses as much as digits as its factorization.

477644323222441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43352064, while the sum is 55.

The spelling of 477644323222441 in words is "four hundred seventy-seven trillion, six hundred forty-four billion, three hundred twenty-three million, two hundred twenty-two thousand, four hundred forty-one".