475599962881 has 2 divisors, whose sum is σ = 475599962882. Its totient is φ = 475599962880.

The previous prime is 475599962869. The next prime is 475599962891. The reversal of 475599962881 is 188269995574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384567418225 + 91032544656 = 620135^2 + 301716^2 .

It is a cyclic number.

It is not a de Polignac number, because 475599962881 - 2¹⁹ = 475599438593 is a prime.

It is a super-2 number, since 2×475599962881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475599962861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237799981440 + 237799981441.

It is an arithmetic number, because the mean of its divisors is an integer number (237799981441).

Almost surely, 2^475599962881 is an apocalyptic number.

It is an amenable number.

475599962881 is a deficient number, since it is larger than the sum of its proper divisors (1).

475599962881 is an equidigital number, since it uses as much as digits as its factorization.

475599962881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 391910400, while the sum is 73.

The spelling of 475599962881 in words is "four hundred seventy-five billion, five hundred ninety-nine million, nine hundred sixty-two thousand, eight hundred eighty-one".