41691702473 has 2 divisors, whose sum is σ = 41691702474. Its totient is φ = 41691702472.

The previous prime is 41691702469. The next prime is 41691702553. The reversal of 41691702473 is 37420719614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22128645049 + 19563057424 = 148757^2 + 139868^2 .

It is a cyclic number.

It is not a de Polignac number, because 41691702473 - 2² = 41691702469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41691702443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20845851236 + 20845851237.

It is an arithmetic number, because the mean of its divisors is an integer number (20845851237).

Almost surely, 2^41691702473 is an apocalyptic number.

It is an amenable number.

41691702473 is a deficient number, since it is larger than the sum of its proper divisors (1).

41691702473 is an equidigital number, since it uses as much as digits as its factorization.

41691702473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 41691702473 in words is "forty-one billion, six hundred ninety-one million, seven hundred two thousand, four hundred seventy-three".