475098076681 has 2 divisors, whose sum is σ = 475098076682. Its totient is φ = 475098076680.

The previous prime is 475098076667. The next prime is 475098076723. The reversal of 475098076681 is 186670890574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365431131081 + 109666945600 = 604509^2 + 331160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475098076681 is a prime.

It is a super-2 number, since 2×475098076681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475098086681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237549038340 + 237549038341.

It is an arithmetic number, because the mean of its divisors is an integer number (237549038341).

Almost surely, 2^475098076681 is an apocalyptic number.

It is an amenable number.

475098076681 is a deficient number, since it is larger than the sum of its proper divisors (1).

475098076681 is an equidigital number, since it uses as much as digits as its factorization.

475098076681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 475098076681 in words is "four hundred seventy-five billion, ninety-eight million, seventy-six thousand, six hundred eighty-one".