41440047697 has 2 divisors, whose sum is σ = 41440047698. Its totient is φ = 41440047696.

The previous prime is 41440047683. The next prime is 41440047707. The reversal of 41440047697 is 79674004414.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40638931281 + 801116416 = 201591^2 + 28304^2 .

It is a cyclic number.

It is not a de Polignac number, because 41440047697 - 2³⁵ = 7080309329 is a prime.

It is not a weakly prime, because it can be changed into another prime (41440047667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20720023848 + 20720023849.

It is an arithmetic number, because the mean of its divisors is an integer number (20720023849).

Almost surely, 2^41440047697 is an apocalyptic number.

It is an amenable number.

41440047697 is a deficient number, since it is larger than the sum of its proper divisors (1).

41440047697 is an equidigital number, since it uses as much as digits as its factorization.

41440047697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 41440047697 in words is "forty-one billion, four hundred forty million, forty-seven thousand, six hundred ninety-seven".