473128241081 has 2 divisors, whose sum is σ = 473128241082. Its totient is φ = 473128241080.

The previous prime is 473128241071. The next prime is 473128241099. The reversal of 473128241081 is 180142821374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295115130025 + 178013111056 = 543245^2 + 421916^2 .

It is a cyclic number.

It is not a de Polignac number, because 473128241081 - 2¹⁸ = 473127978937 is a prime.

It is a super-2 number, since 2×473128241081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (473128241021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236564120540 + 236564120541.

It is an arithmetic number, because the mean of its divisors is an integer number (236564120541).

Almost surely, 2^473128241081 is an apocalyptic number.

It is an amenable number.

473128241081 is a deficient number, since it is larger than the sum of its proper divisors (1).

473128241081 is an equidigital number, since it uses as much as digits as its factorization.

473128241081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 473128241081 in words is "four hundred seventy-three billion, one hundred twenty-eight million, two hundred forty-one thousand, eighty-one".