409695027841 has 12 divisors (see below), whose sum is σ = 450341916052. Its totient is φ = 372436812000.

The previous prime is 409695027839. The next prime is 409695027881. The reversal of 409695027841 is 148720596904.

It can be written as a sum of positive squares in 2 ways, for example, as 37843866225 + 371851161616 = 194535^2 + 609796^2 .

It is not a de Polignac number, because 409695027841 - 2¹ = 409695027839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409695027881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5429431 + ... + 5504371.

Almost surely, 2^409695027841 is an apocalyptic number.

It is an amenable number.

409695027841 is a deficient number, since it is larger than the sum of its proper divisors (40646888211).

409695027841 is a wasteful number, since it uses less digits than its factorization.

409695027841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120144 (or 120133 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 409695027841 in words is "four hundred nine billion, six hundred ninety-five million, twenty-seven thousand, eight hundred forty-one".