473296665581 has 2 divisors, whose sum is σ = 473296665582. Its totient is φ = 473296665580.

The previous prime is 473296665553. The next prime is 473296665613. The reversal of 473296665581 is 185566692374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453883816681 + 19412848900 = 673709^2 + 139330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473296665581 is a prime.

It is a super-2 number, since 2×473296665581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473296665511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236648332790 + 236648332791.

It is an arithmetic number, because the mean of its divisors is an integer number (236648332791).

Almost surely, 2^473296665581 is an apocalyptic number.

It is an amenable number.

473296665581 is a deficient number, since it is larger than the sum of its proper divisors (1).

473296665581 is an equidigital number, since it uses as much as digits as its factorization.

473296665581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 473296665581 in words is "four hundred seventy-three billion, two hundred ninety-six million, six hundred sixty-five thousand, five hundred eighty-one".