401101727447 has 2 divisors, whose sum is σ = 401101727448. Its totient is φ = 401101727446.

The previous prime is 401101727393. The next prime is 401101727531. The reversal of 401101727447 is 744727101104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401101727447 - 2¹⁰ = 401101726423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401101727447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401101724447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200550863723 + 200550863724.

It is an arithmetic number, because the mean of its divisors is an integer number (200550863724).

Almost surely, 2^401101727447 is an apocalyptic number.

401101727447 is a deficient number, since it is larger than the sum of its proper divisors (1).

401101727447 is an equidigital number, since it uses as much as digits as its factorization.

401101727447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 401101727447 in words is "four hundred one billion, one hundred one million, seven hundred twenty-seven thousand, four hundred forty-seven".