477025997689 has 2 divisors, whose sum is σ = 477025997690. Its totient is φ = 477025997688.

The previous prime is 477025997681. The next prime is 477025997713. The reversal of 477025997689 is 986799520774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331468487289 + 145557510400 = 575733^2 + 381520^2 .

It is a cyclic number.

It is not a de Polignac number, because 477025997689 - 2³ = 477025997681 is a prime.

It is not a weakly prime, because it can be changed into another prime (477025997681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238512998844 + 238512998845.

It is an arithmetic number, because the mean of its divisors is an integer number (238512998845).

Almost surely, 2^477025997689 is an apocalyptic number.

It is an amenable number.

477025997689 is a deficient number, since it is larger than the sum of its proper divisors (1).

477025997689 is an equidigital number, since it uses as much as digits as its factorization.

477025997689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480090240, while the sum is 73.

The spelling of 477025997689 in words is "four hundred seventy-seven billion, twenty-five million, nine hundred ninety-seven thousand, six hundred eighty-nine".